from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Double or twofold.
- adj. Genetics Having a pair of each type of chromosome, so that the basic chromosome number is doubled: diploid somatic cells.
- n. Genetics An organism or cell having diploid cells.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a cell, having a pair of each type of chromosome, one of the pair being derived from the ovum and the other from the spermatozoon. Most somatic cells of higher organisms are diploid.
- n. A cell which is diploid.
- n. An organism with diploid cells.
from the GNU version of the Collaborative International Dictionary of English
- n. A solid bounded by twenty-four similar quadrilateral faces. It is a hemihedral form of the hexoctahedron.
- n. a cell or organism having a number of chromosomes corresponding to two copies of each chromosome; a diploid cell or organism.
- adj. having a number of chromosomes corresponding to two copies of each chromosome; having double the basic number of chromosomes, as seen in a haploid cell. Contrasted to
from The Century Dictionary and Cyclopedia
- n. In crystallography, a solid belonging to the isometric system, with 24 trapezoidal planes. It is the parallel-hemihedral form of the hexoctahedron. Also called dyakis-dodecahedron.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of a cell or organism having two sets of chromosomes or twice the haploid number
- n. (genetics) an organism or cell having the normal amount of DNA per cell; i.e., two sets of chromosomes or twice the haploid number
Greek diplous, double; see dwo- in Indo-European roots + -oid.(American Heritage® Dictionary of the English Language, Fourth Edition)