Standard Lemma guide

prochlorperazine

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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  • Received-Pronunciation: /ˌpɹəʊ.klɔːˈpɛ.ɹə.ziːn/
  • General-American: /ˌpɹoʊˌklɔɹˈpɛɹ.əˌzin/

1

noun

Meaning 1

A drug C20H24ClN3S (trademark Compazine) that is a phenothiazine derivative having antiemetic and antipsychotic properties.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

antipsychotic and antiemetic drug used to treat schizophrenia and to combat nausea and vomiting

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: antiemetic, antiemetic drug, major tranquilizer, major tranquillizer, major tranquilliser, antipsychotic drug, antipsychotic agent, antipsychotic, neuroleptic drug, neuroleptic agent, neuroleptic

History

Etymology

From pro(p)- + chlor- + (pi)perazine.