Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The condition of having three copies of a given chromosome in each somatic cell rather than the normal number of two.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun cytology The presence of three copies, instead of the normal two, of a particular chromosome of in an organism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[tri– + –som(e) + –y.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From trisome +‎ -y.

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.