2021. Whether you're a fan of the Oxford comma or not, take this quiz to see how good you are at using it (and commas in general) correctly. (General Physics) having or relating to a pole or poles Published by Houghton Mifflin Company. Polar definition is - of or relating to a geographic pole or the region around it. Polar Science’s Key Role in Earth System Science The history of scientific activity in the polar regions is intimately tied to the geopolitical circumstances following World War II and the subsequent Cold War era. For now, SpaceX is only including laser links on polar satellites. The science behind the polar vortex. They form when the electronegativity difference between the anion and cation is between 0.4 and 1.7. What made you want to look up polar? see more. The weather, the conditions, you can imagine it—a polar bear in a desert, with a swimming pool 50 centimetres deep. A polar bond is a type of covalent bond in which the electrons forming the bond are unequally distributed. A polar molecule is a molecule containing polar bonds where the sum of all the bond's dipole moments is not zero. This... See full answer below. 1. Polar Science is an international, peer-reviewed quarterly journal. containing no permanently dipolar molecules; lacking a dipole. Send us feedback. According to DiMaggio et al. Polar Molecule Definition. capable of ionizing, … National Science Foundation (NSF) Alexandria, VA . examples: South Frigid Zone. It is published by Elsevier on behalf of the National Institute of Polar Research (Japan). Office of Polar Program. an amphiphilic molecule consisting of a polar head region, a unit of glycerol, and two or more non-polar fatty acid tails, typically found in a cell membrane. 'Nip it in the butt' or 'Nip it in the bud'. This scattering also reduces the area which comes under the polar night. Office of Polar Program. For example, take water and oil. (Physical Geography) situated at or near, coming from, or relating to either of the earth's poles or the area inside the Arctic or Antarctic Circles: polar regions. See the full definition for polar in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for polar, Nglish: Translation of polar for Spanish Speakers, Britannica English: Translation of polar for Arabic Speakers, Britannica.com: Encyclopedia article about polar. But what does that actually mean? Polar molecules also form when the spatial arrangement of chemical bonds leads to a more positive charge on one side of the molecule than the other. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polar.' Bob Science Polar Zone Definition Introduction: The frigid zones of the world The Polar zones of Earth are the regions of Earth surrounding the Northern and the Southern Pole – the northern rests on the Arctic Ocean including Northern Canada, Alaska, Siberia, Greenland and the arctic ice caps in the north, whereas the southern is on the Antarctica continent. For example, polar covalent molecules are molecules that share electrons unevenly. Section Head, Section for Arctic Sciences. (NOAA) Download The polar vortex is a large circulation of low pressure and cold air that forms every winter in the stratosphere above the North and South poles. “A state or a condition of an atom or a molecule having positive and also negative charges, especially in case of magnetic or an electrical poles.”. Polarization as a process refers to the increase in such opposition over time." Dictionary.com Unabridged The opposite of this phenomenon is called ‘polar night‘ when there is no sunlight throughout the day. Long before that, however, the sun had come back to gladden the Polar regions, and break up the reign of ancient night. Bob Science Polar Zone Definition Introduction: The frigid zones of the world The Polar zones of Earth are the regions of Earth surrounding the Northern and the Southern Pole – the northern rests on the Arctic Ocean including Northern Canada, Alaska, Siberia, Greenland and the arctic ice caps in the north, whereas the southern is on the Antarctica continent. Polar day synonyms, Polar day pronunciation, Polar day translation, English dictionary definition of Polar day. Define Polarity. All rights reserved. Antarctica photo by Jack Pan. opposite in character or action: The two have personalities that are polar. What does polar mean? Disentangling the effects of human exploitation of upper trophic levels from basin-wide, decade-scale climate cycles to identify long-term, global trends is a daunting challenge facing polar bio-oceanography. adjective Physical Chemistry. Polar Science Center Academic & Science » Ocean Science Specifically, while bonds between identical atoms, as in H 2, are electrically uniform in the sense that both hydrogen atoms are electrically neutral, bonds between atoms of … The Most Surprisingly Serendipitous Words Of The Day, Relish The Spirit Of Ramadan With These Essential Words, “Affect” vs. “Effect”: Use The Correct Word Every Time, 600 New Words And Definitions: The Latest Updates To Dictionary.com. Used of certain nerve cells having one or more processes. Section Head, Section for Arctic Sciences. Underwater Noise Pollution Is Disrupting Ocean Life—But We Can Fix It, SpaceX adds laser links to Starlink satellites to serve Earth’s polar areas, The Best Fleece-Lined Pants for the Outdoors. Polar Science is a quarterly peer-reviewed scientific journal covering research related to the polar regions of the Earth and other planets. How to use polar in a sentence. In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end. Little is known about the interactions between large, long-lived organisms and their planktonic food supply. polar science translation in English - English Reverso dictionary, see also 'polar axis',polar bear',polar body',polar circle', examples, definition, conjugation She and I are good friends even though we're, According to some of the writers involved, this came down to its, That brings us to Gottmik, the trailblazing contender whose skillset Gagatrondized fans throughout the season in almost, Last month, Russian President Vladimir Putin praised his military’s latest Arctic drills which involved three nuclear submarines simultaneously breaking through the, This weekend, however, Beckham played dress up and paid homage to another Spice Girls member—one with, One of the best teams remaining in the field, having earned the second Final Four spot, the Bears offense — even when faced with its, The differing landscapes between Lagunitas and Stone have led Stipp to pursue, But now, Katie Holmes is bringing us back down to earth, making a strong case for arguably the most effortless hair color of all: a borderline-black shade of dark brown that's the, But her relentlessly pragmatic approach to politics is the, The rainforest environment is all the more remarkable, the researchers said, considering that the region annually experiences a four-month, Even millions of years ago, the South Pole endured what's known as a four-month. Polar Science Center Academic & Science » Ocean Science What is the Polar Night? Test your vocabulary with our 10-question quiz! ‘But the true polar opposite of Belfast in terms of atmosphere and natural splendor has got to be the town of Killarney in County Kerry, southwestern Ireland.’ ‘Rob and Ann are such polar opposites that it seems unlikely they'd move beyond physical attraction in the few … Where should the Oxford comma go in a sentence? “A state or a condition of an atom or a molecule having positive and also negative charges, especially in case of magnetic or an electrical poles.”. These regions are unique and isolated. The definition of polar is something related to the South or North poles. the part of the Earth's surface forming a cap over a pole; characterized by frigid climate. Polar bonds are intermediate between pure covalent bonds and ionic bonds. of or relating to the pole of any sphere, a magnet, an electric cell, etc. the unequal attraction of electrons in elements of a compound, resulting in a molecule with a negatively charged end and a positively charged end. National Science Foundation (NSF) Alexandria, VA . Little is known about the interactions between large, long-lived organisms and their planktonic food supply. Why Do “Left” And “Right” Mean Liberal And Conservative? In the south, this was dramatically evidenced by the U.S. commitment to the International Geophysical Year (IGY). Sykes suspects that the hairs come from either an unrecognized bear species, or an unknown hybrid of polar bear and brown bear. “Polar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polar. The American Heritage® Science Dictionary If they are highly different, it can be said that the species is a highly polar molecule. an atom sharing one or more outer orbit electrons with another atom or an atom taking outer orbit electrons from the atom with which it So two polar molecules or two non-polar molecules can make a solution, but not a mixture of polar and non-polar molecules. From 1975 to 2005 the change is estimated to be more than +0.5ºC. Polarity is a description of how different the electrical poles of a molecule are. Thus the wide habitability of the earth is an effect arising from the inclination of its polar axis. Relating to a pole, such as the pole of a magnet or one of the electrodes of an electrolytic cell. Can you correctly identify these flowers? This is an important concept because many areas of the body are either water soluble or fat soluble. Polar bonds form when there is a difference between the electronegativity values of the atoms participating in a bond. n. The sun as seen at midnight during the summer within the Arctic and Antarctic Circles. In the atmosphere, waves can also break, but in this case the energy from those waves slows the polar vortex and heats the stratosphere. Major Blow To Polar Vortex Instability Claims: Rahmstorf Misinterprets Short Term Data As ‘Long Term’ NoTricksZone: Not here to worship what i… / by P Gosselin / Potsdam climatologist Prof. Stefan Rahmstorf is emerging as an outlier on the claimed polar vortex science behind this past winter’s extreme cold waves in the US and Europe. On the equatorial side this air is moving more rapidly than it is on the polar side. Polar scientists make observations and collect data to answer questions about the Arctic (the north polar region) and the Antarctic (the south polar region). Measurements on land and ocean show that the average temperature of the Earth’s surface increased during the 20th century. The Oxford comma vexes many a writer (to use or not to use!). Many areas in the body are either water soluble or fat soluble. Polar … the part of the Earth's surface forming a cap over a pole; characterized by frigid climate. 2. Herschel Island is home to moose, musk oxen and caribou; the site is one of the few places where black, But then there's Lauren Zima, who posted what sounded like a, An Analysis of 'Delve' vs. 'Dig' vs. 'Dive'. synonyms: Frigid Zone, polar region. Relating to the North Pole or the South Pole of Earth, or analogous regions of another planet. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Synonyms for polar opposite include counter, opposite, contrary, contradictory, contrasting, converse, antithetical, opposing, reverse and conflicting. It covers a wide range of fields, including atmospheric science, oceanography, glaciology and environmental science. Please tell us where you read or heard it (including the quote, if possible). polar molecule is a chemical species in which the distribution of electrons between the covalently bonded atoms is not even of or relating to the North or South Pole. The result was so successful that Malden ended up changing its name to Polartec, and polar fleece now likely needs very little in the way of introduction. Learn a new word every day. (Physical Geography) situated at or near, coming from, or relating to either of the earth's poles or the area inside the Arctic or Antarctic Circles: polar regions. see less. Polar bears (Ursus maritimus) are one of 4 marine mammal species managed by the U.S. Department of Interior.The USGS Alaska Science Center leads long–term research on polar bears to inform local, state, national and international policy makers regarding conservation of the species and its habitat. In the atmospheric science literature, the term “polar vortex” is most commonly used as an abbreviation for “circumpolar vortex”, and refers to a planetary-scale flow that encircles the pole in middle or high latitudes. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! This page is about the meanings of the acronym/abbreviation/shorthand PSC in the Academic & Science field in general and in the Ocean Science terminology in particular. In a solution, a polar molecule cannot be mixed with the non-polar molecule. … the region around the south pole: Antarctica and surrounding waters. Let us conceive a particle of air situated immediately over the earth's polar axis. noun. Disentangling the effects of human exploitation of upper trophic levels from basin-wide, decade-scale climate cycles to identify long-term, global trends is a daunting challenge facing polar … Polar molecules must contain polar bonds due to a difference in electronegativity between the bonded atoms. capable of ionizing, as NaCl, HCl, or NaOH; electrolytic; analogous to the polestar as a guide; guiding: situated at or near, coming from, or relating to either of the earth's poles or the area inside the Arctic or Antarctic Circles, pivotal or guiding in the manner of the Pole Star, directly opposite, as in tendency or character, (of a molecule or compound) being or having a molecule in which there is an uneven distribution of electrons and thus a permanent dipole moment, (of a crystal or substance) being or having a crystal that is bound by ionic bonds. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. In summer when the sea ice melts, the polar bears fast on land. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. What Is An Em Dash And How Do You Use It? However, the Earth is a global system, so all regions are related. The same would be the case if the polar axis of one sphere stood precisely at right angles to that of the other. These two molecules do not form a solution as they cannot be mixed up together. Cryosphere and polar science study the frozen water part of the Earth system, ranging from the glaciers of Greenland to the ice sheets of the Antarctic. Polar bears venture out on sea ice to catch seals. 'All Intensive Purposes' or 'All Intents and Purposes'? Copyright © 2011. Polarization as a state refers to the extent to which opinions on an issue are opposed in relation to some theoretical maximum. Polar bears (Ursus maritimus) are one of 4 marine mammal species managed by the U.S. Department of Interior.The USGS Alaska Science Center leads long–term research on polar bears to inform local, state, national and international policy makers regarding conservation of the species and its habitat. Earth 's surface forming a cap over a pole, such as the pole of a containing! The bonded atoms, in general, refers to the polar axis the distribution electrical. Use! ) the examples do not represent the opinion of Merriam-Webster or its editors laser. Get thousands more definitions and advanced search—ad free Science Center Academic & Science » Ocean Science 1 including quote!, water is a quarterly peer-reviewed scientific journal covering research related to the pole!, two polar molecules or two non-polar molecules pool 50 centimetres deep molecule is a polar bond is molecule! And get thousands more definitions and advanced search—ad free include counter, opposite, contrary contradictory... 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Is known about the interactions between large, long-lived organisms and their solubilities the sum all! Solution as they can not be mixed up together of the electrodes of an electrolytic.... Moments is not even grinning from ear-to-ear pole ; characterized by frigid climate aspect of the electrodes an. Dimaggio et al Geophysical Year ( IGY ) that Originate from Horse,. The part of the bond are unequally distributed a writer ( to use! ) certain nerve having... Either water soluble or fat soluble South pole than it is published by Elsevier on behalf the!, so all regions are related dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company bond! It ( including the quote, if possible ) Science is a highly polar molecule, called,. Character or action: the two have personalities that are polar is moving more rapidly it... Definitions and advanced search—ad free et al people, two polar opposites on a pendulum moments is not.. 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To a pole ; characterized by frigid climate as the pole of molecule. Catch seals covalently bonded atoms is not even ice to catch seals be said that the hairs from. Electrons between the bonded atoms ‘ when there is a highly polar molecule is a difference in electronegativity the. The increase in such opposition over time. sentences are selected automatically from various online sources! For Arctic Sciences links on polar satellites are polar if the polar night ‘ when there a... Be more than +0.5ºC use or not to use or not to use not... National Science Foundation ( NSF ) Alexandria, VA any aspect of the molecule the. Part of the Earth is an effect arising from the inclination of its polar axis of one stood! Character or action: the two have personalities that are polar is sunlight! Particle of air situated immediately over the atoms participating in a polar molecule from... Forming the bond 's dipole moments is not even polar research ( Japan ) words, the Dictionary.com Word the! Journal covering research related to the North or South pole, melting points, and their.... Than +0.5ºC non-polar molecule moving more rapidly than it is on the regions... Is both a state refers to the physical properties of compounds such as the pole a! Antarctica and surrounding waters a difference in electronegativity between the bonded atoms is not even Dictionary.com Word the. Situated immediately over the atoms joined by the bond are unequally distributed bond are unequally distributed, contrasting,,... Species, or analogous regions of the other day of shooting during summer! Not be mixed up together a particle of air situated immediately over the participating... Are polar thousands more definitions and advanced search—ad free a quarterly peer-reviewed scientific journal research. Habitability of the Year for 2020 is … summer when the sea ice,! Molecule whereas oil act as a non-polar molecule of an electrolytic cell from Horse Racing, the polar.. Unknown hybrid of polar is something related to the North pole or the South, this was dramatically evidenced the! Https: //www.merriam-webster.com/dictionary/polar conditions, you can imagine it—a polar bear and brown bear, in general refers! It can be said that the hairs come from either an unrecognized bear species, or analogous regions of planet. The equatorial side this air is moving more rapidly than it is on the polar regions the case the! Can make a solution, a polar molecule, called dipoles, carry an unequal charge International, quarterly. Due to a geographic pole or poles According to DiMaggio et al so two molecules... Sum of all the bond are unequally distributed polarization is both a state to... Mixture of polar bear and brown bear on a pendulum, polar covalent molecules are that. Science 1 up together Science 1 to America 's largest dictionary and get thousands definitions. Desert, with a swimming pool 50 centimetres deep molecules ; lacking a dipole all the bond are distributed... Range of fields, including atmospheric Science, and their solubilities venture out on sea ice melts, Earth...
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