THIONYL

Noun

thionyl (plural thionyls)

(chemistry) The divalent radical O=S<

Synonyms

• sulfinyl

Source: Wiktionary


Thi"on*yl, n. Etym: [Thionic + -yl.] (Chem.)

Definition: The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

16 May 2025

AMPHIPROSTYLAR

(adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure


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