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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.

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Because it survives for only a short time, unusually large amounts of formaldehyde can act as a chemical fingerprint showing that methane destruction is actively taking place.

From Science Daily Sep. 15, 2026

Beyond their carbon footprints, they emit fine particulate matter, linked to a range of heart and lung problems; nitrogen oxides, which aggravate respiratory disease; and hazardous air pollutants including mercury, formaldehyde and benzene.

From Barron's Aug. 7, 2026

Milk, for example, would be mixed with formaldehyde to sweeten it when it went rancid.

From The Wall Street Journal Jun. 23, 2026

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

From Science Daily May 10, 2026

The embryos have been pickled; the scent of formaldehyde is very strong.

From "Cat's Eye" by Margaret Atwood

It is made in small batches and is a 10-free polish, meaning its base is made without formaldehydes, added fragrance and other chemicals commonly found in nail polish.

From Los Angeles Times Oct. 14, 2022

Another popular brand for sensitive skin is Vanicream because it’s free of fragrances, parabens, formaldehydes, and other irritating ingredients.

From Slate Nov. 6, 2018

What she found terrified her: petrochemicals, formaldehydes and flame retardants in everyday household products from floor cleaners to mattresses.

From Forbes May 27, 2015




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