Twins are two offspring produced by the same pregnancy. [1] . Twins can be either monozygotic ('identical'), meaning that they develop from one zygote, which splits and forms two embryos, or dizygotic ('non-identical' or 'fraternal'), meaning that each twin develops from a separate egg and each egg is fertilized by its own sperm cell. [2] .

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

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

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.

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

Dec 7, 2024 · 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, type and the two-egg (dizygotic), or fraternal, type. The latter type is more usual and can be thought of simply as a litter.

either of two children or animals brought forth at a birth. either of two persons or things closely related to or closely resembling each other. twin bed. Also called twin room. a type of hotel …

TWIN definition: 1. one of two children who are born to the same mother at the same time 2. used to describe two…. Learn more.

TWIN meaning: 1 : either one of two babies that are born at the same time to the same mother; 2 : either one of two similar things that form a pair

Jan 28, 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. Either of two similar or closely related objects, entities etc.