Standard Lemma guide
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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
A crystalline basic ester C15H24N2O2 that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride as a local anesthetic.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, pharmacology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a crystalline compound used in the form of a hydrochloride as a local anesthetic
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: local anesthetic, local anaesthetic, local, topical anesthetic, topical anaesthetic
History
Etymology tree Proto-Indo-European *kwetwóres Proto-Hellenic *kwétwores Ancient Greek τέσσᾰρες (téssăres) Ancient Greek τετρᾰ- (tetră-)bor. English tetra- German Kokain German -kainbor. English -caine English tetracaine From tetra- + -caine (“local anesthetic”).
