(redirected from triploidies)
Also found in: Thesaurus, Medical.


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

trip′loi·dy n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Among chromosomal disorders, triploidies are the most commonly observed chromosomal aberration at conception and its frequency may be as high as 1:100 (9).
Genomewide mapping of imprinted differentially methylated regions by DNA methylation profiling of human placentas from triploidies. Epigenetics Chromatin 4(1):10, PMID: 21749726,
[11, 14] Moreover, Prenatal BoBs[TM] has some limitations in the detection of polyploidies (triploidies and tetraploidies), [5, 9] which account for nearly 16% of abnormalities found by conventional karyotyping of POC.