haploid.
Having the number of chromosomes that a typical gamete has (in the given organism), namely, half the number that a typical somatic cell has (in the given organism).
Meaning & usage
Having the number of chromosomes that a typical gamete has (in the given organism), namely, half the number that a typical somatic cell has (in the given organism).
Having the number of chromosomes that a typical gamete has (in the given organism), namely, half the number that a typical somatic cell has (in the given organism). Having a single set of unpaired chromosomes (which is the number that a typical gamete has in many organisms although not all).
Examples of haploid cells are prokaryotes and the gametes of eukaryotes.
Where this word comes from
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sm̥- Proto-Hellenic *hə- Ancient Greek ᾰ̔- (hă-) Ancient Greek -πλόος (-plóos) Ancient Greek ᾰ̔πλόος (hăplóos)der. English haplo- Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English haploid From haplo- + -oid, Ancient Greek roots meaning, together, literally “simplex” or “onefoldlike”, from ᾰ̔πλόος (hăplóos, “single, simple”, literally “onefold”) and -ειδής (-eidḗs, “-like”).
A cell which is haploid.
An organism, such as a fungus, with haploid cells.
Where this word comes from
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sm̥- Proto-Hellenic *hə- Ancient Greek ᾰ̔- (hă-) Ancient Greek -πλόος (-plóos) Ancient Greek ᾰ̔πλόος (hăplóos)der. English haplo- Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English haploid From haplo- + -oid, Ancient Greek roots meaning, together, literally “simplex” or “onefoldlike”, from ᾰ̔πλόος (hăplóos, “single, simple”, literally “onefold”) and -ειδής (-eidḗs, “-like”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.