
1) Having a valence of one 2) Matter 3) Monoatomic 4) Substance
Found on
https://www.crosswordclues.com/clue/monatomic

1) Monoatomic
Found on
https://www.crosswordclues.com/clue/monatomic

• (adv.) Having the equivalence or replacing power of an atom of hydrogen; univalent; as, the methyl radical is monatomic. • (adv.) Consisting of, or containing, one atom; as, the molecule of mercury is monatomic.
Found on
http://thinkexist.com/dictionary/meaning/monatomic/

elements that are present in the gaseous state as single atoms. These elements are the noble gasses: He, Ne, Ar, Kr, Xe and Rn.
Found on
http://www.chemistry-dictionary.com/definition/monatomic.php

(mon″ә-tom´ik) containing one atom. univalent.
Found on
http://www.encyclo.co.uk/local/21001
Mon`a·tom'ic adverb [
Mon- +
atomic .]
(Chemistry) (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
monatom...Found on
http://www.encyclo.co.uk/webster/M/91

Type: Term Pronunciation: mon′ă-tom′ik Definitions: 1. Relating to or containing a single atom. Synonyms: monovalent1
Found on
http://www.medilexicon.com/medicaldictionary.php?t=55785

[
adj] - of or relating to an element consisting of a single atom
Found on
http://www.webdictionary.co.uk/definition.php?query=monatomic
monoatomic adjective of or relating to an element consisting of a single atom; `helium and argon are monatomic gases`
Found on
https://www.encyclo.co.uk/local/20974

having one atom in the molecule. · containing one replaceable atom or group. · having a valence of one.
Found on
https://www.infoplease.com/dictionary/monatomic
No exact match found.