Standard Lemma guide

hydroxychloroquine

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: /hʌɪˌdɹɒk.sɪˈklɔː.ɹə(ʊ).kwiːn/
  • Received-Pronunciation: /hʌɪˌdɹɒk.sɪˈklɔː.ɹə(ʊ).kwɪn/
  • General-American: /haɪˌdɹɑk.siˈklɔɹ.ə.kwɪn/
  • General-American: /haɪˌdɹɑk.siˈklɔɹ.ə.kwin/

1

noun

Meaning 1

A drug derived from quinolone that is taken orally in the form of its sulfate C18H26ClN3O·H2SO4 to treat malaria, rheumatoid arthritis, and lupus erythematosus.

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

anti-inflammatory drug (trade name Plaquenil) used in the treatment of rheumatoid arthritis and malaria and lupus erythematosus

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Plaquenil

Antonyms: none provided

Broader terms: anti-inflammatory, anti-inflammatory drug

History

Etymology

From hydroxy- + chloroquine.

Across languages

Translations

8 source translations are retained for this English entry.

  • Catalan: hidroxicloroquina — quinoline drug
  • Chinese Mandarin: 羥氯喹 /羟氯喹 (qiǎnglǜkuí) — quinoline drug
  • Finnish: hydroksiklorokiini — quinoline drug
  • French: hydroxychloroquine — quinoline drug
  • German: Hydroxychloroquin — quinoline drug
  • Italian: idrossiclorochina — quinoline drug
  • Portuguese: hidroxicloroquina — quinoline drug
  • Spanish: hidroxicloroquina — quinoline drug