| halogen | <chemistry> An electronegative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine. Origin: Gr. "als, "alos, salt + -gen: cf. F. Halogene. Source: Websters Dictionary (01 Mar 1998) |
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| halogen acne | An acneform eruption caused by bromides or iodides. (05 Mar 2000) |
| halogenation | Incorporation of one or more halogen atoms into a molecule. (05 Mar 2000) |
| halogenoderma | Dermatosis caused by ingestion or injection of halogens, most notably bromides and iodides. Origin: halogen + G. Derma, skin (05 Mar 2000) |
| halogens | A family of nonmetallic, generally electronegative, elements of group viib of the periodic table. They are all multivalent and have oxidation numbers of -1 (the most common), 1, 3, 5, and 7. (12 Dec 1998) |
| Halogeton | A genus of plants (family Chenopodiaceae) on range lands in the western U.S. And other arid regions of the world; it causes poisoning in cattle and sheep because of the presence of soluble oxalates. (05 Mar 2000) |
Synonyms : Group 17 Elements, Elements, Group 17
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| halogen |
any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Ãâó: wordnet.princeton.edu/perl/webwn
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| Halogeton |
a coarse annual herb introduced into North America from Siberia; dangerous to sheep and cattle on western rangelands because of its high oxalate content
Ãâó: wordnet.princeton.edu/perl/webwn
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| halogen acne |
an acneiform eruption due to ingestion of the simple salts of bromine and iodine, usually as halogen-containing cold remedies, expectorants, sedatives, analgesics, and vitamins.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| halogen |
A type of incandescent lamp with higher energy-efficiency that standard ones.
Ãâó: www.epa.gov/OCEPAterms/hterms.html
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| halogen |
Any of five nonmetallic chemical elements: fluorine, chlorine, bromine, astatine and iodine. Chlorine is used as a bleach and disinfectant. Bromine is used in dyes and for flame-proofing. The Fluorocarbon form of fluorine is used as a lubricant, refrigerant and in fire extinguishers.
Ãâó: www.peakagents.ca/glossary/h1.htm
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| Halog | any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions |
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| Halog | a coarse annual herb introduced into North America from Siberia |
| Halog | a coarse annual herb introduced into North America from Siberia |
| Halog | Algerian plant formerly burned to obtain calcium carbonate |
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