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Definitions

formaldehyde

[fawr-mal-duh-hahyd, fer-] / fɔrˈmæl dəˌhaɪd, fər- /
NOUN
preservative
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That discovery immediately caught their attention because formaldehyde is produced when methane breaks down in the atmosphere.

From Science Daily • May 10, 2026

Composite wood products can be bound with formaldehyde.

From BBC • Mar. 16, 2026

Preserved in formaldehyde and paraffin wax, they come from patients treated at the UK's national bowel hospital, St Mark's, in northwest London.

From Barron's • Feb. 4, 2026

Niosh’s limits for formaldehyde and tributyl phosphate are for a period of up to 10 hours over a 40-hour work week.

From The Wall Street Journal • Sep. 14, 2025

A technical mistake: pumped her too full of formaldehyde or embalming fluid or whatever they used.

From "The Things They Carried" by Tim O'Brien




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