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sulfonium

American

[suhl-foh-nee-uhm] / sʌlˈfoʊ ni əm /

noun

Chemistry.

the positively charged group H 3 S + , its salts, or their substitute products.

Etymology

Origin of sulfonium

First recorded in 1890–95; sulf(ur) + (amm)onium

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.