Twin(a.)
- Being one of two born at a birth; as, a twin brother or sister.
Twin(a.)
- Being one of a pair much resembling one another; standing the relation of a twin to something else; -- often followed by to or with.
Twin(a.)
- Double; consisting of two similar and corresponding parts.
Twin(a.)
- Composed of parts united according to some definite law of twinning. See Twin, n., 4.
Twin(n.)
- One of two produced at a birth, especially by an animal that ordinarily brings forth but one at a birth; -- used chiefly in the plural, and applied to the young of beasts as well as to human young.
Twin(n.)
- A sign and constellation of the zodiac; Gemini. See Gemini.
Twin(n.)
- A person or thing that closely resembles another.
Twin(n.)
- A compound crystal composed of two or more crystals, or parts of crystals, in reversed position with reference to each other.
Twinness
- Sorry, we do not have a definition for this word
Twinning(n.)
- The assemblage of two or more crystals, or parts of crystals, in reversed position with reference to each other in accordance with some definite law; also, rarely, in artificial twinning (accomplished for example by pressure), the process by which this reversal is brought about.