paraformaldehyde

noun

para·​for·​mal·​de·​hyde ˌper-ə-fȯr-ˈmal-də-ˌhīd How to pronounce paraformaldehyde (audio)
-fər-,
ˌpa-rə-
: a white powder (CH2O)x that consists of a polymer of formaldehyde and is used especially as a disinfectant

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of paraformaldehyde was in 1894

Dictionary Entries Near paraformaldehyde

Cite this Entry

“Paraformaldehyde.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paraformaldehyde. Accessed 3 Dec. 2022.

Medical Definition

paraformaldehyde

noun

para·​form·​al·​de·​hyde ˌpar-ə-fȯr-ˈmal-də-ˌhīd, -fər- How to pronounce paraformaldehyde (audio)
: a white powder (CH2O)x that consists of a polymer of formaldehyde and is used especially as a fungicide
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