Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine.
Century Dictionary and Cyclopedia
- n. In chem., an element that forms a compound of a saline nature by its direct union with a metal. The halogens are chlorin, iodine, bromine, and fluorin, to which cyanogen may be added as a compound halogen.
Wiktionary
- n. chemistry Any element of group 7, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal.
GNU Webster's 1913
- n. (Chem.) An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, fluorine, bromine, and iodine; sometimes, also cyanogen. See Chlorine family, under chlorine.
WordNet 3.0
- n. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Etymologies
- From Ancient Greek ἅλς (hals, "salt") + -gen ("produce"), referring to elements which produce a salt in union with a metal. (Wiktionary)
- Swedish : halo-, halo- + -gen, -gen. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“All the halogen is obtained with the washing liquid in the form of sodium halide, all the sulphur in the form of sulphuric acid.”
“There is a group of closely allied elements to which the name halogen”
A Text-book of Assaying: For the Use of Those Connected with Mines.
“Tungsten halogen bulbs are actually another type of incandescent bulb; they are often simply called halogen bulbs.”
“If we would have used halogen, which is standard for fiber optic illuminators we would have had to have added four more PV modules (is a lesson here for homeowners and their appliances and lighting).”
“GE has consumers covered each step of the way with a variety of alternatives such as halogen, CFL and LED bulbs-available today-that already meet the new efficiency standards.”
GE Unveils Unique Hybrid Halogen-CFL Light Bulb Coming in 2011 - Yahoo! Finance
“New and established technologies such as halogen and energy-saving light bulbs will continue to exist side-by-side on the market for many years to come.”
“People should check that sources located in the roof cavity such as halogen downlights, chimney flues and electric fans were not covered over and had enough space around them to avoid overheating, Mr Whan said.”
“There are other energy-saving options, she says, such as halogen tungsten lights which are about 30% more efficient than incandescent bulbs.”
Lists
These user-created lists contain the word ‘halogen’.
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SCIE - EU nomenclature
All the scientific words found in the official EU nomenclature. For the screening I used Vocabgrabber of the Visual Thesaurus.
abdominal, absorbent, accelerator, accumulator, acebutolol, acetamide, acetanilide, acetate, acetic acid, acetone, acetous, acetyl and 1171 more...
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Minerals and Mineralogy
List of minerals, elements, group names and geochemistry terms encountered in the science of mineralogy. I've chosen to avoid capital letters in most examples, though a great many mineral names hon...
galkhaite, xanthoconite, pyrostilpnite, polybasite, pyrargyrite, djurleite, digenite, covellite, chalcocite, cerargirite, acanthite, aeschynite and 2608 more...
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IMCO - EU nomenclature
includes words of the "Prodcom list"
abaca, abdominal, abrasive, absorbent, absorber, accelerator, accessory, account book, accumulator, acebutolol, acetaldehyde, acetamide and 4515 more...
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halo-, hal-
of or relating to salinity or halogens
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Light
words about light
lucent, lambent, glimmering, aglow, pearly, shimmery, scintillation, flouresce, starshine, halogen, mercury vapor, sodium vapor and 28 more...
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with both Latin and Greek components
polyamory, nudibranch, unikont, bicycle, hexadecimal, dinoflagellate, scientology, unicycle, halogen
Tweets
Looking for tweets for halogen.
Prolagus Why is halogen here? It's "something that makes a salt" in ancient Greek... Mar 31, 2008