Definition of Cometary in English :
Define Cometary in English
Cometary meaning in English
Meaning of Cometary in English
Pronunciation of Cometary in English
Cometary pronunciation in English
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Cometary
see synonyms of cometaryAdjective
WordNet Lexical Database for English. Princeton University. 2010.
Cometary
see synonyms of cometarynoun
a celestial body that travels around the sun, usually in a highly elliptical orbit: thought to consist of a solid frozen nucleus part of which vaporizes on approaching the sun to form a gaseous luminous coma and a long luminous tail
Collins English Dictionary. Copyright © HarperCollins Publishers
Cometary
see synonyms of cometary noun
a small, frozen mass of dust and gas revolving around the sun in a parabolic or elliptical orbit: as it nears the sun it vaporizes, forming a coma and, usually,
a long tail of ions that points away from the sun
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
Cometary
see synonyms of cometaryn.
A celestial body, observed only in that part of its orbit that is relatively close to the sun, having a head consisting of a solid nucleus surrounded by a nebulous coma up to 2.4 million kilometers (1.5 million miles) in diameter and an elongated curved vapor tail arising from the coma when sufficiently close to the sun. Comets are thought to consist chiefly of ammonia, methane, carbon dioxide, and water.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.