The meaning of TWIN is either of two offspring produced in the same pregnancy. How to use twin in a sentence.

One twin, the 'donor' twin, is small and anemic, the other, the 'recipient' twin, is large and polycythemic. The lives of both twins are endangered by this condition.

Apr 25, 2023 · In a basic twin pregnancy, two embryos go their separate ways and develop into twin babies, whether identical or fraternal. Some unique sets of twins follow a different path.

Jun 26, 2025 · Twin, either of two young who are simultaneously born from one mother. Twinning, common in many animals, is of two biological kinds: the one-egg (monozygotic), or identical, …

May 24, 2025 · twin (plural twins) Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.

There are different types of twins, identical and fraternal being the most common. Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are...

TWIN definition: 1. either of two children born to the same mother on the same occasion: 2. one of two very similar…. Learn more.

A twin is one of two offspring produced in the same pregnancy. Twins can either be monozygotic, meaning that they develop from one zygote that splits and forms two embryos, or dizygotic …

Twin definition: One of two identical or similar people, animals, or things; a counterpart.

Twin definition: either of two children or animals brought forth at a birth.. See examples of TWIN used in a sentence.