NYT Dictionary

MONATOMIC

/ˈmɑnətɑmɪk/
Adjectivemon-a-TOM-icmon-a-tom-ic · 4 syllablesAdvanced/Professional

Accepted in official NYT Spelling Bee puzzle years: 2026

Meaning

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.

Etymology

Origin: Middle English

Etymology tree English mon- Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-) Proto-Indo-European *temh₁- Proto-Indo-European *-né- Ancient Greek τέμνω (témnō) Proto-Indo-European *-os Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek *τομός (*tomós) Ancient Greek ἄτομος (átomos)bor. Latin atomusbor. Middle French athomebor. Middle English attome English atom Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English atomic English monatomic From mon- + atomic.

Synonyms & Antonyms

Synonyms

monoatomicatomiccycliccyclicalsubatomic

NYT Puzzle Appearances

Accepted in 1 recorded puzzle, including a pangram:

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