Standard Lemma guide

isothiocyanate

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

any salt or ester of the hypothetical isothiocyanic acid; or the -NCS radical or the NCS−1 anion; isomeric with thiocyanate

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a family of compounds derived from horseradish and radishes and onions and mustards; source of the hotness of those plants and preparations

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: chemical irritant

History

Etymology

No etymology was provided for this word.