hemiacetal
noun
hemiacetal is a noun meaning “Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen)” (English Wiktionary, September 2026). It is spelled H-E-M-I-A-C-E-T-A-L, and it appears about once in every 91 million words in written English (wordfreq, 2021 data). The plural of hemiacetal is hemiacetals.
What does hemiacetal mean?
noun
- 1
Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of hemiacetal
- hemiacetals plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is hemiacetal?
Hemiacetal appears about once in every 91 million words in written English, the 305,310th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does hemiacetal come from?
From hemi- + acetal.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).