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]

The Collaborative International Dictionary of English. 2000.

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  • monatomic — [män΄ə täm′ik] adj. [ MON + ATOMIC] 1. a) consisting of one atom: said of a molecule b) having one atom in the molecule 2. containing one replaceable atom or atomic group 3. MONOVALENT ( …   English World dictionary

  • Monatomic — In physics and chemistry, monatomic is a combination of the words mono and atomic, and means single atom. It is usually applied to gases: a monatomic gas is one in which atoms are not bound to each other.Under Standard Temperature and Pressure… …   Wikipedia

  • monatomic — 1. Relating to or containing a single atom. 2. SYN: monovalent (1). * * * mon·atom·ic .män ə täm ik adj 1) consisting of one atom esp having but one atom in the molecule 2) MONOVALENT (1) * * * mon·atom·ic (mon″ə tomґik) [mon + atomic] …   Medical dictionary

  • monatomic — adjective Date: 1848 consisting of one atom; especially having but one atom in the molecule …   New Collegiate Dictionary

  • monatomic — monatomically, adv. /mon euh tom ik/, adj. Chem. 1. having one atom in the molecule. 2. containing one replaceable atom or group. 3. having a valence of one. Also, monoatomic. [1840 50; MON + ATOMIC] * * * …   Universalium

  • monatomic — adjective Of an element, consisting of a single atom in the molecule; for example: the noble gases. Note: strictly speaking, a molecule has at least two atoms …   Wiktionary

  • monatomic — mon·a·tom·ic || mÉ‘nÉ™tÉ’mɪk / mÉ’ adj. having one atom (Chemistry) …   English contemporary dictionary

  • monatomic — [ˌmɒnə tɒmɪk] adjective Chemistry consisting of one atom …   English new terms dictionary

  • monatomic — mon·atomic …   English syllables

  • monatomic — mon•a•tom•ic [[t]ˌmɒn əˈtɒm ɪk[/t]] adj. 1) chem. having one atom in the molecule 2) chem. containing one replaceable atom or group 3) chem. having a valence of one • Etymology: 1840–50 mon a•tom′i•cal•ly, adv …   From formal English to slang

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