thionyl
noun
thionyl is a noun meaning “The divalent radical O=S<” (English Wiktionary, September 2026). It is spelled T-H-I-O-N-Y-L, and it appears about once in every 44 million words in written English (wordfreq, 2021 data). The plural of thionyl is thionyls.
What does thionyl mean?
noun
- 1
The divalent radical O=S<
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of thionyl
- thionyls plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is thionyl?
Thionyl appears about once in every 44 million words in written English, the 204,233rd most frequent word form in the list.
thionyl0.0010.010.11101001,00010,000
rarerper million words of written Englishmore common
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).