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Definition of "diploid" [dip•loid]

  • Double or twofold. (adjective)
  • Genetics Having a pair of each type of chromosome, so that the basic chromosome number is doubled: diploid somatic cells. (adjective)
  • Genetics An organism or cell having diploid cells. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "diploid" in a sentence
  • "The term diploid describes a state in which a cell has two sets of homologous chromosomes, or two chromosomes that are the same."
  • "Crucially, the finished sequence must cover at least 98 percent of all twenty-three pairs of chromosomes that is, the diploid genome at a stringent accuracy of 99.999 percent or just 1 error per 100,000 bases."
  • "PE-2 yeast are what is known as diploid, having two copies each of 16 different chromosomes."