halogen
[ hal-uh-juh n, -jen, hey-luh- ]
/ ˈhæl ə dʒən, -ˌdʒɛn, ˈheɪ lə- /
noun Chemistry.
any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals.
OTHER WORDS FROM halogen
ha·log·e·nous [ha-loj-uh-nuh s] /hæˈlɒdʒ ə nəs/, adjectiveWords nearby halogen
halo-,
halobacteria,
halobiont,
halocarbon,
halocline,
halogen,
halogen lamp,
halogenate,
haloid,
halolike,
halometer
Example sentences from the Web for halogen
British Dictionary definitions for halogen
halogen
/ (ˈhæləˌdʒɛn) /
noun
any of the chemical elements fluorine, chlorine, bromine, iodine, and astatine. They are all monovalent and readily form negative ions
Derived forms of halogen
halogenoid, adjective halogenous (həˈlɒdʒɪnəs), adjectiveWord Origin for halogen
C19: from Swedish; see
halo-,
-gen
Medical definitions for halogen
halogen
[ hăl′ə-jən ]
n.
Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine.
Scientific definitions for halogen
halogen
[ hăl′ə-jən ]
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.