monatomic, a. Chem.
(mɒnəˈtɒmɪk)
Also mono-.
[f. mono- + atom n. + -ic.]
Containing one atom; consisting of molecules each containing one atom. Also used for: Univalent.
| 1848 Watts tr. Gmelin's Handbk. Chem. I. 53 Monatomic gases. 1866 Odling Anim. Chem. 32 Monatomic alcohol. 1871 Tyndall Fragm. Sci. (1879) I. iv. 105 Chlorine itself is molecular and not monatomic. 1874 J. P. Cooke New Chem. 278 Such hydrates are said to be mono-atomic. Ibid., A hydrate is..monatomic, diatomic, triatomic, etc. according as it contains one, two, three, or more hydroxyl groups. |