halogen
Use Halogen in a sentence
ə noun Chemistry.
any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To halogen
Collins
World English Dictionary
halogen (ˈhæləˌdʒɛn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| any of the chemical elements fluorine, chlorine, bromine, iodine, and astatine. They are all monovalent and readily form negative ions | |
| [C19: from Swedish; see | |
| 'halogenoid | |
| —adj | |
| halogenous | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Halogen
is always a great word to know.
So is ninnyhammer. Does it mean:
| a scrap or morsel of food left at a meal. |
| a fool or simpleton; ninny. |
Etymonline
Word Origin & History
halogen
1842, from Swedish, coined by Swed. chemist Baron Jöns Jakob Berzelius (1779-1848) from Gk. hals (gen. halos) "salt" + -gen "to produce;" so called because a salt is formed in reactions involving these elements.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
halogen hal·o·gen (hāl'ə-jən)
n.
Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
| halogen (hāl'ə-jən) Pronunciation Key
Any of a group of five nonmetallic elements with similar properties. The halogens are fluorine, chlorine, bromine, iodine, and astatine. Because they are missing an electron from their outermost shell, they react readily with most metals to form salts. See Periodic Table. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
That's the equivalent light that comes from a standard halogen lamp, at a fraction of the power.
No visible shadows, not with them new halogen overheads.
On one side of the cylindrical chamber, about halfway down its length, is a halogen movie-projector lamp.
Refrigerator motors, air conditioners, and halogen bulbs create an immense amount of distorting noise.
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