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halide vs. halogen

[hal-ahyd, -id, hey-lahyd, -lid] / ˈhæl aɪd, -ɪd, ˈheɪ laɪd, -lɪd /

noun

  1. a chemical compound in which one of the elements is a halogen.

adjective

  1. of, relating to, or characteristic of a halide.

[hal-uh-juhn, -jen, hey-luh-] / ˈhæl ə dʒən, -ˌdʒɛn, ˈheɪ lə- /

noun

Chemistry.
  1. any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals.