Standard Lemma guide

phentolamine

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: /fɛnˈtɒl.əm.iːn/
  • General-American: /fɛnˈtɑl.əˌmiːn/

1

noun

Meaning 1

A synthetic compound used as a vasodilator, especially in certain cases of hypertension.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a virility drug (trade name Vasomax) to treat erectile dysfunction in men

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Vasomax

Antonyms: none provided

Broader terms: virility drug, anti-impotence drug

History

Etymology

Etymology tree Proto-Indo-European *bheh2-der. Proto-Hellenic *pháňňō Ancient Greek φαίνω (phaínō)der. French phènebor. English phen(ol) English tol(yl) Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English amine English phentolamine From phen(ol) + tol(yl) + amine.