Standard Lemma guide

polymorphism

noun · 9 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /pɒlɪˈmɔːfɪz(ə)m/
  • US: päl-ē-môrʹfĭz-əm
  • US: /pɑliˈmɔɹfɪz(ə)m/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: P AA2 L IY2 M AO1 R F IH0 Z AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The ability to assume different forms or shapes.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The coexistence, in the same locality, of two or more distinct forms independent of sex, not connected by intermediate gradations, but produced from common parents.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A feature pertaining to the dynamic treatment of data elements based on their type, allowing for a method to have several definitions.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: object-oriented programming

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The property of certain typed formal systems of allowing for the use of type variables and binders/quantifiers over those type variables; likewise, the property of certain expressions (within such typed formal systems) of making use of at least one such typed variable.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: type theory

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The ability of a solid material to exist in more than one form or crystal structure; pleomorphism.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, crystallography, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The regular existence of two or more different genotypes within a given species or population; also, variability of amino acid sequences within a gene's protein.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, genetics, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

(biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: organic phenomenon

Narrower terms: dimorphism

8

noun

Meaning 8

(chemistry) the existence of different kinds of crystal of the same chemical compound

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: pleomorphism

Antonyms: none provided

Broader terms: chemical phenomenon

Narrower terms: dimorphism

9

noun

Meaning 9

(genetics) the genetic variation within a population that natural selection can operate on

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: organic phenomenon

Narrower terms: single nucleotide polymorphism, SNP

History

Etymology

* (object-oriented programming) Coined by British computer scientist Christopher Strachey in 1967. By surface analysis, poly- + -morphism.

Across languages

Translations

101 source translations are retained for this English entry.

  • Catalan: polimorfisme — ability to assume different forms or shapes
  • Czech: polymorfizmus — ability to assume different forms or shapes
  • Dutch: polymorfisme — ability to assume different forms or shapes
  • Finnish: monimuotoisuus — ability to assume different forms or shapes
  • Finnish: muunneltavuus — ability to assume different forms or shapes
  • French: polymorphisme — ability to assume different forms or shapes
  • German: Polymorphie — ability to assume different forms or shapes
  • Greek: πολυμορφισμός (polymorfismós) — ability to assume different forms or shapes
  • Icelandic: fjölbrigðni — ability to assume different forms or shapes
  • Icelandic: fjölbreytni — ability to assume different forms or shapes
  • Icelandic: fjölmótun — ability to assume different forms or shapes
  • Italian: polimorfismo — ability to assume different forms or shapes
  • Japanese: 多形 (takei) — ability to assume different forms or shapes
  • Japanese: 多態 (tatai) — ability to assume different forms or shapes
  • Kazakh: көп пішінділік (köp pışındılık) — ability to assume different forms or shapes
  • Manx: yl-chrooaght — ability to assume different forms or shapes
  • Polish: polimorfizm — ability to assume different forms or shapes
  • Portuguese: polimorfismo — ability to assume different forms or shapes
  • Russian: полиморфи́зм (polimorfízm) — ability to assume different forms or shapes
  • Serbo-Croatian: polimorfizam — ability to assume different forms or shapes
  • Serbo-Croatian: višeobličje — ability to assume different forms or shapes
  • Slovene: polimorfizem — ability to assume different forms or shapes
  • Spanish: polimorfismo — ability to assume different forms or shapes
  • Spanish: polimorfia — ability to assume different forms or shapes
  • Swedish: polymorfism — ability to assume different forms or shapes
  • Turkish: çok biçimlilik — ability to assume different forms or shapes
  • Turkish: polymorfizm — ability to assume different forms or shapes
  • Czech: mnohotvarost — biology: coexistence of two or more distinct forms independent of sex
  • Dutch: polymorfisme — biology: coexistence of two or more distinct forms independent of sex
  • Finnish: monimuotoisuus — biology: coexistence of two or more distinct forms independent of sex
  • Finnish: polymorfismi — biology: coexistence of two or more distinct forms independent of sex
  • French: polymorphisme — biology: coexistence of two or more distinct forms independent of sex
  • German: Polymorphismus — biology: coexistence of two or more distinct forms independent of sex
  • Greek: πολυμορφισμός (polymorfismós) — biology: coexistence of two or more distinct forms independent of sex
  • Icelandic: fjölbrigðni — biology: coexistence of two or more distinct forms independent of sex
  • Icelandic: fjölbreytni — biology: coexistence of two or more distinct forms independent of sex
  • Italian: polimorfismo — biology: coexistence of two or more distinct forms independent of sex
  • Japanese: 多形性 (takei-sei) — biology: coexistence of two or more distinct forms independent of sex
  • Kazakh: көппiшiндiлiк (köppişindilik) — biology: coexistence of two or more distinct forms independent of sex
  • Polish: polimorfizm — biology: coexistence of two or more distinct forms independent of sex
  • Portuguese: polimorfismo — biology: coexistence of two or more distinct forms independent of sex
  • Slovene: polimorfizem — biology: coexistence of two or more distinct forms independent of sex
  • Swedish: polymorfism — biology: coexistence of two or more distinct forms independent of sex
  • Ukrainian: поліморфі́зм (polimorfízm) — biology: coexistence of two or more distinct forms independent of sex
  • Armenian: պոլիմորֆիզմ (polimorfizm) — computer science: feature of object-oriented programming
  • Chinese Mandarin: 多态性 (duōtàixìng) — computer science: feature of object-oriented programming
  • Czech: polymorfismus — computer science: feature of object-oriented programming
  • Czech: polymorfizmus — computer science: feature of object-oriented programming
  • Dutch: polymorfisme — computer science: feature of object-oriented programming
  • Finnish: polymorfismi — computer science: feature of object-oriented programming
  • Finnish: monimuotoisuus — computer science: feature of object-oriented programming
  • French: polymorphisme — computer science: feature of object-oriented programming
  • German: Polymorphie — computer science: feature of object-oriented programming
  • Greek: πολυμορφισμός (polymorfismós) — computer science: feature of object-oriented programming
  • Hungarian: polimorfizmus — computer science: feature of object-oriented programming
  • Icelandic: fjölbrigðni — computer science: feature of object-oriented programming
  • Icelandic: fjölbreytni — computer science: feature of object-oriented programming
  • Icelandic: fjölmótun — computer science: feature of object-oriented programming
  • Irish: polamorfacht — computer science: feature of object-oriented programming
  • Italian: polimorfismo — computer science: feature of object-oriented programming
  • Japanese: 多態性 (tatai-sei) — computer science: feature of object-oriented programming
  • Japanese: 多相性 (tasō-sei) — computer science: feature of object-oriented programming
  • Polish: polimorfizm — computer science: feature of object-oriented programming
  • Portuguese: polimorfismo — computer science: feature of object-oriented programming
  • Serbo-Croatian: polimorfizam — computer science: feature of object-oriented programming
  • Serbo-Croatian: višeobličje — computer science: feature of object-oriented programming
  • Swedish: polymorfism — computer science: feature of object-oriented programming
  • Turkish: çok biçimlilik — computer science: feature of object-oriented programming
  • Turkish: polymorfizm — computer science: feature of object-oriented programming
  • Ukrainian: поліморфі́зм (polimorfízm) — computer science: feature of object-oriented programming
  • Catalan: polimorfisme — crystallography: ability of a material to exist in more than one form
  • Dutch: polymorfisme — crystallography: ability of a material to exist in more than one form
  • Finnish: polymorfia — crystallography: ability of a material to exist in more than one form
  • Finnish: polymorfismi — crystallography: ability of a material to exist in more than one form
  • French: polymorphisme — crystallography: ability of a material to exist in more than one form
  • Greek: πολυμορφισμός (polymorfismós) — crystallography: ability of a material to exist in more than one form
  • Icelandic: fjölbrigðni — crystallography: ability of a material to exist in more than one form
  • Icelandic: fjölbreytni — crystallography: ability of a material to exist in more than one form
  • Italian: polimorfismo — crystallography: ability of a material to exist in more than one form
  • Japanese: 多形 (takei) — crystallography: ability of a material to exist in more than one form
  • Japanese: 同質異像 (dōshitsu-izō) — crystallography: ability of a material to exist in more than one form
  • Kazakh: полиморфизм (polimorfizm) — crystallography: ability of a material to exist in more than one form
  • Polish: polimorfizm — crystallography: ability of a material to exist in more than one form
  • Portuguese: polimorfismo — crystallography: ability of a material to exist in more than one form
  • Serbo-Croatian: polimorfizam — crystallography: ability of a material to exist in more than one form
  • Ukrainian: поліморфі́зм (polimorfízm) — crystallography: ability of a material to exist in more than one form
  • Catalan: polimorfisme — genetics: regular existence of two or more different genotypes within a given species or population
  • Chinese Mandarin: 多態性 /多态性 (duōtàixìng) — genetics: regular existence of two or more different genotypes within a given species or population
  • Finnish: monimuotoisuus — genetics: regular existence of two or more different genotypes within a given species or population
  • Finnish: polymorfismi — genetics: regular existence of two or more different genotypes within a given species or population
  • French: polymorphisme — genetics: regular existence of two or more different genotypes within a given species or population
  • German: Polymorphismus — genetics: regular existence of two or more different genotypes within a given species or population
  • German: Vielgestaltigkeit — genetics: regular existence of two or more different genotypes within a given species or population
  • Hungarian: polimorfizmus — genetics: regular existence of two or more different genotypes within a given species or population
  • Italian: polimorfismo — genetics: regular existence of two or more different genotypes within a given species or population
  • Polish: polimorfizm — genetics: regular existence of two or more different genotypes within a given species or population
  • Portuguese: polimorfismo — genetics: regular existence of two or more different genotypes within a given species or population
  • Romanian: polimorfism — genetics: regular existence of two or more different genotypes within a given species or population
  • Spanish: polimorfismo — genetics: regular existence of two or more different genotypes within a given species or population
  • Turkish: çok biçimlilik — genetics: regular existence of two or more different genotypes within a given species or population
  • Turkish: polimorfizm — genetics: regular existence of two or more different genotypes within a given species or population