Standard Lemma guide

tubocurarine

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: /ˌtjuː.bə(ʊ)ˈkjʊə.ɹə.ɹiːn/
  • General-American: /ˌtu.boʊ.kjʊˈɹɑɹ.ɪn/
  • General-American: /ˌtu.boʊ.kjʊˈɹɑˌɹin/

1

noun

Meaning 1

The cation portion of tubocurarine chloride.

Definition source: English Wiktionary via Wiktextract

Usage: countable, 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

a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles

Definition source: Princeton WordNet 3.0

Examples

  • curare acts by blocking cholinergic transmission at the myoneural junction

Meaning relationships

Synonyms: curare

Antonyms: none provided

Broader terms: alkaloid, neuromuscular blocking agent, plant toxin, phytotoxin

History

Etymology

From Latin tubus (“tube”) + curare + -ine.