• synonyms

fraternal twin

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  1. one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately fertilized ova.
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Origin of fraternal twin

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for fraternal twins

likeness, reciprocal, double, clone, look-alike, corollary, companion, counterpart, duplicate, mate, ringer, coordinate, doppelganger, match

fraternal twins in Medicine

fraternal twins

  1. Twins that derive from separately fertilized ova and that have different genetic makeup. They may be of the same or opposite sex.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.