Origin of twin
1
before 900; Middle English; Old English
twinn (adj.),
getwinn (noun and adj.); akin to Old Frisian
twīne, Old Norse
tvinnr double, Gothic
twaihnai
Words nearby twin
Definition for twins (2 of 2)
Example sentences from the Web for twins
British Dictionary definitions for twins (1 of 2)
Twins
/ (twɪnz) /
pl n
the Twins
the constellation Gemini, the third sign of the zodiac
British Dictionary definitions for twins (2 of 2)
twin
/ (twɪn) /
noun
verb twins, twinning or twinned
Derived forms of twin
twinning, nounWord Origin for twin
Old English
twinn; related to Old High German
zwiniling twin, Old Norse
tvinnr double
Medical definitions for twins
twin
[ twĭn ]
n.
One of two offspring born at the same birth.
adj.
Being two or one of two offspring born at the same birth.
Consisting of two identical or similar parts; double.
Scientific definitions for twins
twin
[ twĭn ]
One of two offspring born of a single gestation. Identical twins result from the division of a fertilized egg. Fraternal twins result from the fertilization of two separate eggs at the same time.
A crystal structure consisting of two intergrown crystals that are mirror images of each other. Mineral twins can form as result of defective crystal growth in response to stress from rock deformation or during magma cooling.