triatomic Hear it!

triatomic Definition

tri·atom·ic (trī′ə tämik)

adjective

  1. designating or of a molecule consisting of three atoms
  2. designating or of a molecule containing three replaceable atoms or groups

triatomic Usage Examples

Modifies a noun

  • molecule: Consider the vibrations of a triatomic molecule, e.g. CO 2, in detail.