NYT Dictionary

MONOXIDE

/məˈnɒksʌɪd/
Nounmon-OX-idemon-ox-ide · 3 syllablesGrade 8

Accepted in official NYT Spelling Bee puzzle years: 2022, 2023, 2024

Meaning

Any oxide containing a single oxygen atom in each molecule or formula unit.

Etymology

Origin: Unknown

Formed as mon- + oxide; compare the earlier dioxide, pentoxide, and tetroxide.

Synonyms & Antonyms

NYT Puzzle Appearances

Accepted in 2 recorded puzzles, including a pangram:

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