Standard Lemma guide

metamerism

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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1

noun

Meaning 1

The segmentation of the body into similar discrete units.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The matching of a perceived attribute between objects with differing physical attributes.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: human-sciences, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The matching of a perceived attribute between objects with differing physical attributes.

The matching of apparent color of objects with different spectral power distributions.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: colorimetry, human-sciences, natural-sciences, physical-sciences, physics, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Structural isomerism.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From μετά (metá, “among”) + μερισμός (merismós, “rationing”) (< μέρος (méros, “part”) + -ισμός (-ismós, “-ism”)).

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: metameria — biology
  • Finnish: jaokkeisuus — biology
  • Finnish: metameria — psychology
  • Finnish: metameerisuus — psychology
  • Finnish: metameria — chemistry