Found 2 items, similar to monatomic.
English → English (WordNet) Definition: monatomic monatomic adj : of or relating to an element consisting of a single atom; “helium and argon are monatomic gases” [syn: monoatomic]
English → English (gcide) Definition: Monatomic Monatomic \Mon`a*tom"ic\, adv. [Mon- + atomic.] (Chem.) (a) Consisting of, or containing, one atom; as, the molecule of mercury is monatomic. (b) Having the equivalence or replacing power of an atom of hydrogen; univalent; as, the methyl radical is monatomic. [1913 Webster]