sulfhydryl
noun
sulfhydryl is a noun meaning “The univalent radical -SH that is the sulfur analogue of hydroxyl and constitutes the thiol group” (English Wiktionary, September 2026). It is spelled S-U-L-F-H-Y-D-R-Y-L, and it appears about once in every 32 million words in written English (wordfreq, 2021 data). The plural of sulfhydryl is sulfhydryls.
What does sulfhydryl mean?
noun
- 1
The univalent radical -SH that is the sulfur analogue of hydroxyl and constitutes the thiol group.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of sulfhydryl
- sulfhydryls plural
- sulphydryl
- sulphhydryl
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is sulfhydryl?
Sulfhydryl appears about once in every 32 million words in written English, the 171,907th 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).
Sulfhydryl in Spanish, French, German and Portuguese
In the sense sulfur analogue of hydroxyl:
| Language | Words |
|---|---|
| Portuguese | sulfidrilo |
| Spanish | sulfhidrilo |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.