one of a pair of twins who develop from a single fertilized ovum and therefore have the same genotype, are of the same sex, and usually resemble each other closely.
Wonder TwinsRead more in this article about some frequently asked questions and fun facts related to our definitions.
Irish twinsRead more in this article about some frequently asked questions and fun facts related to our definitions.
likeness, reciprocal, double, clone, look-alike, corollary, companion, counterpart, duplicate, mate, ringer, coordinate, doppelganger, match
- identical proposition,
- identical rhyme,
- identical twins,
- identification bracelet
Compare fraternal twin.
Origin of identical twin
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019