noun
formaldehyde
faw-MAL-dih-hyd
noun
1
A colorless gas with a strong smell, used in embalming fluid, disinfectants, and manufacturing.
"Formaldehyde is used to preserve biological specimens in labs."
How to Use Formaldehyde
Learner’s notesIn plain EnglishA strong-smelling chemical gas used in preserving specimens and in some manufacturing processes.
Word Forms
formaldehydes plural
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_____ is used to preserve biological specimens in labs.
Etymology
A blend of "form(yl)" and "aldehyde," reflecting its chemical structure.