Halogen

['hælədʒ(ə)n;'heɪl-] or ['hælədʒən]

Definition

(noun.) any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions.

Typist: Morton--From WordNet

Definition

(n.) An electro-negative 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.

Edited by Ahmed

Definition

n. a substance which by combination with a metal forms a saline compound.—adjs. Halog′enous; Ha′loid like sea-salt.—ns. Hal′omancy divination by means of salt; Hal′ophyte the salt-wort found in salt-marshes &c.

Checker: Mandy