Standard Lemma guide

phenothiazine

noun · 3 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

A polycyclic heterocycle consisting of two benzene rings fused to one of thiazine; thiodiphenylamine, dibenzothiazine

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

Any of a family of pharmaceuticals, derived from this compound, used to treat schizophrenia etc.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a compound used primarily in veterinary medicine to rid farm animals of internal parasites

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: thiodiphenylamine

Antonyms: none provided

Broader terms: thiazine

Narrower terms: chlorpromazine, Thorazine

History

Etymology

From pheno- + thiazine.

Across languages

Translations

3 source translations are retained for this English entry.

  • Swedish: fentiazin — (organic chemistry)
  • Hungarian: fenotiazin — (medicine)
  • Swedish: fentiazin — (medicine)