Standard Lemma guide

lidocaine

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: /ˈlɪd.ə(ʊ).keɪn/
  • General-American: /ˈlaɪ.dəˌkeɪn/

1

noun

Meaning 1

A crystalline compound, C14H22N2O, that is used in the form of its hydrochloride as a local anesthetic and as an antiarrhythmic agent.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, medicine, natural-sciences, organic-chemistry, pharmacology, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: lignocaine

Antonyms: none provided

2

noun

Meaning 2

a local anesthetic (trade names Lidocaine and Xylocaine) used topically on the skin and mucous membranes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Xylocaine

Antonyms: none provided

Broader terms: local anesthetic, local anaesthetic, local, topical anesthetic, topical anaesthetic

History

Etymology

From (acetani)lid(e) + -o- + -caine, from cocaine.

Across languages

Translations

15 source translations are retained for this English entry.

  • Catalan: lidocaïna — local anesthetic
  • Chinese Mandarin: 利多卡因 (lìduōkǎyīn) — local anesthetic
  • Finnish: lidokaiini — local anesthetic
  • French: lidocaïne — local anesthetic
  • German: Lidocain — local anesthetic
  • Greek: λιδοκαΐνη (lidokaḯni) — local anesthetic
  • Hungarian: lidokain — local anesthetic
  • Italian: lidocaina — local anesthetic
  • Japanese: リドカイン — local anesthetic
  • Korean: 리도카인 (ridokain) — local anesthetic
  • Polish: lidokaina — local anesthetic
  • Portuguese: lidocaína — local anesthetic
  • Romanian: lidocaină — local anesthetic
  • Russian: лидокаи́н (lidokaín) — local anesthetic
  • Spanish: lidocaína — local anesthetic