haploid

[ hap-loid ]

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

/ ˈhæplɔɪd /

adjective

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

noun

1. a haploid cell or organism

haploid

/ hăp′loid′ /

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 aneuploidSee Note at mitosis

Derived Forms

• ˈhaploidy, noun

Word History and Origins

Origin of haploid¹

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

Word History and Origins

Origin of haploid¹

C20: from Greek haploeidēs single, from haplous single

Example Sentences

Each of these divides again by mitosis (the chromosomes splitting lengthwise), the half or haploid number remaining.

From Project Gutenberg

The next stage is their separation to the haploid daughter-nuclei, which have resulted from the reduction process.

From Project Gutenberg

Haploid (n) chromosome numbers were determined from cells in diakinesis, metaphase I, and metaphase II of meiosis.

From Project Gutenberg

Technically the tissue-cells are said to contain the diploid number of chromosomes, the gametes the reduced or haploid number.

From Project Gutenberg