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haploid

American  
[hap-loid] / ˈhæp lɔɪd /

adjective

  1. single; simple.

  2. Biology. pertaining to a single set of chromosomes.


noun

  1. Biology. an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number.

haploid British  
/ ˈhæplɔɪd /

adjective

  1. (esp of gametes) having a single set of unpaired chromosomes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a haploid cell or organism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
haploid Scientific  
/ hăploid′ /
  1. Having a single set of each chromosome in a cell or cell nucleus. In most animals, only the gametes (reproductive cells) are haploid.

  2. Compare aneuploid diploid See Note at mitosis


Other Word Forms

Derived Forms

Etymology

Origin of haploid

First recorded in 1905–10; hapl- ( def. ) + -oid

Vocabulary lists containing haploid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Haploid cells can be either gametes or spores.

From Textbooks • Jun. 9, 2022

Haploid cells that are necessary for sexual reproduction are produced by a type of cell division called meiosis.

From Textbooks • Jun. 9, 2022

Haploid dominant life cycles have a multicellular haploid stage, as in fungi.

From Textbooks • Jun. 9, 2022

Haploid yeast reproduce asexually, but they can also mate through sexual reproduction to form diploid yeast, which contain two copies of each chromosome.

From Nature • Jul. 31, 2018

Haploid spores are produced by meiosis within the sporangia, and spores can be disseminated through the air or water to potentially land in more favorable environments.

From Textbooks • Jan. 1, 2015

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