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a combining form meaning “having chromosome sets” of the kind or number specified by the initial element:
Origin of -ploid
extracted from haploid, diploid, etc. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for -ploid


combining form, combining form
indicating a specific multiple of a single set of chromosomes: diploid
Derived Forms
-ploidy, combining_form:in_noun:countable
Word Origin
from Greek -pl(oos) -fold + -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
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-ploid in Medicine

-ploid suff.
Having or being a number of chromosomes that has a specified relationship to, or is a multiple of, the basic number of chromosomes of a group: heteroploid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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