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Having three times the haploid number of chromosomes in the cell nucleus: triploid somatic cells.
A triploid organism or cell.

trip′loi·dy n.


(Biology) having or relating to three times the haploid number of chromosomes: a triploid organism.
(Biology) a triploid organism
[C19: from Greek tripl(oos) triple + (hapl)oid]


(ˈtrɪp lɔɪd)
1. having a chromosome number that is three times the basic or haploid number.
2. a triploid cell or organism.
trip′loi•dy, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.triploid - of a cell or organism having three complete sets of chromosomes; "human triploid fetuses are usually spontaneously aborted"
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
polyploid - of a cell or organism having more than twice the haploid number of chromosomes; "a polyploid cell"; "a polyploid species"
References in periodicals archive ?
In a 2006 VIMS study, a silt fence enclosure was used effectively to deter remotely set triploid oyster larvae from escaping the experimental replicates; only one in 60 oysters sampled outside the experimental replicates was a triploid (Burke 2010).
In the new regime of triploid fish only, where does a river like the Coquet stand if it has a considerable wipe-out of wild brown trout and of course salmon and sea-trout too?
Isoetes goebelii is the only triploid that was found among the examined species (Figs.
This could, in fact, provide a tool to protect bananas worldwide, even though we realisedthat the transfer of the underlying genetic properties will not be easy," he said, adding that triploid edible banana can normally not be simply crossed by sexual mating.
a seed with a triploid embryo but inviable endosperm.
Army Corps of Engineers released 17,000 triploid, or sterile, grass carp into Kerr Reservoir, one of Hart's favorite lakes, within the last two years.
They first observed individuals of triploid, hybrid-derived parthenogenetic A.
Diploid males, diploid sperm production, and triploid females in the ant Tapinoma erraticum.
As in other aquatic species, one of the most important traits in Pacific oyster aquaculture is fast growth rate, even after the introduction of triploid techniques (Guo and Allen, 1994) caused increase of production volume.
There were a total of 11 aneuploid fetuses, including trisomies 13, 18, and 21, a triploid karyotype, Turner syndrome, and rare chromosomal aberrations.
8] However, the presence of necrosis, lymphovascular invasion, an increase in mitotic index, and DNA hyper-diploid or triploid mode and with loss of polyploidy may provide malignant potential.