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monoatomic

A form of monatomic — 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.

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OriginEnglish atomic ← Ancient Greek μονο- (mono-) →

Scrabble 16

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Meanings

adjectivemonoatomic (not comparable)

alternativenot comparableAlternative form of monatomic.

Synonyms & antonyms

adjectiveof or relating to an element consisting of a single atom

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Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Ancient Greekμόνος (mónos)
Ancient Greekμονο- (mono-)
Englishmono-
Englishatomic
Englishmonoatomic

From mono- + atomic.

Full word history & related roots →

Rhymes & wordplay

Rhymes with monoatomic

economic atomic autonomic subatomic uneconomic cardioautonomic centrosomic domic dystomic epitomic neuroautonomic Nostradamic preautonomic

Cite this entry

APA

monoatomic. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/monoatomic

MLA

“monoatomic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monoatomic. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “monoatomic,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/monoatomic.

Source: monoatomic on Wiktionary, CC BY-SA 4.0.