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triploid

[trip-loid]Biology
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adjective
  1. having a chromosome number that is three times the basic or haploid number.
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noun
  1. a triploid cell or organism.
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Origin of triploid

First recorded in 1910–15; tri- + -ploid
Related formstrip·loi·dy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for triploid

triploid

adjective
  1. having or relating to three times the haploid number of chromosomesa triploid organism
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noun
  1. a triploid organism
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Word Origin

C19: from Greek tripl (oos) triple + (hapl) oid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

triploid in Medicine

triploid

(trĭploid′)
adj.
  1. Having three times the haploid number of chromosomes in the cell nucleus.
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n.
  1. A triploid organism or cell.
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Related formstriploi•dy n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.