formaldehyde
noun
form·al·de·hyde
fȯr-ˈmal-də-ˌhīd 
fər-
: a colorless pungent irritating gas CH2O used chiefly in aqueous solution as a disinfectant and preservative and in chemical synthesis
Examples of formaldehyde in a Sentence
Recent Examples on the Web
The preliminary hearing featured the snake, floating in formaldehyde, introduced as Exhibit 1.
—
Alex Wigglesworth, Los Angeles Times, 22 May 2024
Many believe that formaldehyde is extremely dangerous.
—Essence, 2 May 2024
See all Example Sentences for formaldehyde 
Alex Wigglesworth, Los Angeles Times, 22 May 2024
Many believe that formaldehyde is extremely dangerous.
—Essence, 2 May 2024
See all Example Sentences for formaldehyde
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'formaldehyde.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near formaldehyde
Cite this Entry
“Formaldehyde.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/formaldehyde. Accessed 29 May. 2024.
Copy CitationKids Definition
formaldehyde
noun
form·al·de·hyde
fȯr-ˈmal-də-ˌhīd
fər-
: a colorless gas that consists of carbon, hydrogen, and oxygen, has a sharp irritating odor, and when dissolved in water is used to disinfect or to prevent decay
Medical Definition
formaldehyde
noun
form·al·de·hyde
fȯr-ˈmal-də-ˌhīd, fər-
: a colorless pungent irritating gas CH2O used chiefly as a disinfectant and preservative and in chemical synthesis
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