Standard Lemma guide

melanosis

noun · 4 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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No pronunciation record was provided for this word.

1

noun

Meaning 1

The morbid deposition of black matter, often of a malignant character, causing pigmented tumours.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A pigmentation of tissue.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Synonym of nigredo.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: alchemy, pseudoscience

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nigredo

Antonyms: none provided

4

noun

Meaning 4

a condition characterized by abnormal deposits of melanin (especially in the skin)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: melanism

Antonyms: none provided

Broader terms: skin disease, disease of the skin, skin disorder

History

Etymology

From melano- + -osis.

Across languages

Translations

3 source translations are retained for this English entry.

  • Finnish: melanoosi — morbid deposition of black matter
  • Galician: melanose — morbid deposition of black matter
  • Russian: мелано́зис (melanózis) — morbid deposition of black matter