Standard Lemma guide

polyploid

adj · noun · 5 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.

  • US: /ˈpɑliˌplɔɪd/
  • US: /ˈpɑləˌplɔɪd/
  • UK: /ˈpɒlɪˌplɔɪd/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Having more than the usual number of complete sets of chromosomes in a single cell.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A polyploid cell.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A polyploid organism.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

of a cell or organism having more than twice the haploid number of chromosomes

Definition source: Princeton WordNet 3.0

Examples

  • a polyploid cell
  • a polyploid species

Meaning relationships

Synonyms: none provided

Antonyms: haploid, diploid

5

noun

Meaning 5

(genetics) an organism or cell having more than twice the haploid number of chromosomes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: organism, being

History

Etymology

From poly- + -ploid.

Across languages

Translations

5 source translations are retained for this English entry.

  • German: polyploid — having more than the usual number of complete sets of chromosomes
  • Portuguese: poliploide — having more than the usual number of complete sets of chromosomes
  • Romanian: poliploid — having more than the usual number of complete sets of chromosomes
  • Spanish: poliploide — having more than the usual number of complete sets of chromosomes
  • Turkish: poliploit — having more than the usual number of complete sets of chromosomes