formaldehyde
noun/fɔrˈmældəˌhaɪd/
Frequency rank: #13,451 of 20,003 in the WORDED list (wordfreq data)
Meaning
a colorless, pungent gas used as a preservative and disinfectant, with the chemical formula CH2O.
Example sentence
The biology teacher warned students that formaldehyde has a strong, unpleasant odor.
Synonyms & related words
- formalin
- methanal
- preservative
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