hemiacetal

[hem-ee-as-i-tal]

noun

1. any of the class of organic chemical compounds having the general formula RCH(OH)OR, where R is an organic group.

Word History and Origins

Origin of hemiacetal¹

First recorded in 1890–95; hemi- + acetal

Example Sentences

But he questioned the legitimacy of comparing the effect of formaldehyde delivered in a cigarette to that delivered via hemiacetal, in droplet form, in an e-cigarette.

Read more on Scientific American

They measured formaldehyde hemiacetal — a compound created during the vaping process that under certain conditions can release formaldehyde — in the liquid portion of the vapor.

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