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Webster 1913 Edition

Thionyl

Thi′on-yl

,

Noun.

[

Thion

ic +

-yl

.]

(Chem.)

The hypothetical radical

SO

, regarded as an essential constituent of certain sulphurous compounds;

as,

thionyl

chloride

.

Definition 2024

thionyl

thionyl

English

Noun

thionyl ‎(plural thionyls)

(chemistry) The divalent radical O=S<

Derived terms

Derived terms

thionyl bromide
thionyl chloride

thionyl fluoride
thionyl iodide

Synonyms

sulfinyl