thetin

noun

the·​tin

ˈthētᵊn

variants or less commonly thetine

",

-ēˌtēn

plural -s

: any one of a class of sulfonium carboxylates that are analogous to the betaines

dimethyl-thetin, (CH₃)₂S⁺CH₂COO⁻

Word History

Etymology

thio- + betaine

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