/ ˌeɪsɪˈmetrɪk; NAmE / (also asym·met·ric·al / ˌeɪsɪˈmetrɪkl; NAmE /) adjective
1.
having two sides or parts that are not the same in size or shape :
Most people's faces are asymmetric.
OPP symmetrical
2.
( technical ) not equal, for example in the way each side or part behaves :
Linguists are studying the asymmetric use of Creole by parents and children (= parents use one language and children reply in another) .
► asym·met·ric·al·ly / -ɪkli; NAmE / adverb
► asym·met·ry / ˌeɪˈsɪmətri; NAmE / noun [ C , U ]
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WORD ORIGIN
mid 17th cent.: from Greek asummetria , from a- without + summetria (see symmetry ) + -ic .