Standard Lemma guide

melasma

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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  • rhymes with -æzmə

1

noun

Meaning 1

A tan or dark skin discoloration, particularly common in pregnant women, thought to be caused by the stimulation of melanocytes by estrogen and progesterone.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: chloasma faciei, mask of pregnancy, melas, pregnancy mask

Antonyms: none provided

2

noun

Meaning 2

a tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: chloasma, mask of pregnancy

Antonyms: none provided

Broader terms: symptom

History

Etymology

From Latin melasma, from Ancient Greek μέλασμα (mélasma), from μελαίνειν (melaínein, “to blacken”) + -σμα (-sma), from μέλας (mélas, “black”).

Across languages

Translations

11 source translations are retained for this English entry.

  • Arabic: كَلَف (kalaf) — dark skin discoloration common during pregnancy
  • Bulgarian: мелазма (melazma) — dark skin discoloration common during pregnancy
  • Bulgarian: хлоазма (hloazma) — dark skin discoloration common during pregnancy
  • Chinese Mandarin: 黃褐斑 /黄褐斑 (huánghèbān) — dark skin discoloration common during pregnancy
  • Dutch: melasma — dark skin discoloration common during pregnancy
  • French: mélasma — dark skin discoloration common during pregnancy
  • Italian: melasma — dark skin discoloration common during pregnancy
  • Polish: melanodermia — dark skin discoloration common during pregnancy
  • Polish: ostuda — dark skin discoloration common during pregnancy
  • Portuguese: melasma — dark skin discoloration common during pregnancy
  • Spanish: melasma — dark skin discoloration common during pregnancy