diploid

[dip-loid] /ˈdɪp lɔɪd/

adjective

double; twofold.

Biology. having two similar complements of chromosomes.

noun

Biology. an organism or cell having double the basic haploid number of chromosomes.

Crystallography. a solid belonging to the isometric system and having 24 trapezoidal planes.

Origin

1905-10; dipl(o)- + -oid

Related forms

diploidic, adjective

Examples from the web for diploid

Only a small, sequestered breeding stock is allowed to remain diploid.
Imagine for example a dominant mutation in a diploid organism which produces the behavior of altruism toward near kin.
The number of chromosomes, whether the organism is diploid, the variations in the rate of recombination.

British Dictionary definitions for diploid

diploid

/ˈdɪplɔɪd/

adjective

(biology) (of cells or organisms) having pairs of homologous chromosomes so that twice the haploid number is present

double or twofold

noun

(biology) a diploid cell or organism

Derived Forms

diploidic, adjective
diploidy, noun

Word Origin and History for diploid

adj.

1908, from Greek diploos "double, twofold," (from di- "two" + root *pel- "to fold;" see ply (v.)) + eidos "form" (see -oid).

diploid in Medicine

diploid dip·loid (dĭp'loid')
adj.
Having two sets of chromosomes or double the haploid number of chromosomes in the germ cell, with one member of each chromosome pair derived from the ovum and one from the spermatazoon. The diploid number, 46 in humans, is the normal chromosome complement of an organism's somatic cells. n.
A diploid organism or cell.

diploid in Science

diploid

(dĭp'loid')
Having paired sets of chromosomes in a cell or cell nucleus. In diploid organisms that reproduce sexually, one set of chromosomes is inherited from each parent. The somatic cells of most animals are diploid. Compare haploid. See Note at mitosis.