- lack or absence of symmetry in spatial arrangements or in mathematical or logical relations
WordReference Random House Unabridged Dictionary of American English © 2020
a•sym•me•try (ā sim′i trē),USA pronunciation n.
- the quality or state of being asymmetric.
- Greek asymmetría lack of proportion. See a-6, symmetry
Collins Concise English Dictionary © HarperCollins Publishers::
WordReference Random House Learner's Dictionary of American English © 2020
a•sym•met•ric /ˌeɪsəˈmɛtrɪk/USA pronunciation also ˌa•symˈmet•ri•cal, adj.WordReference Random House Unabridged Dictionary of American English © 2020
- having two sides or halves that are differently shaped:an asymmetrical pattern.
a•sym•met•ric (ā′sə me′trik, as′ə-),USA pronunciation adj.
- not identical on both sides of a central line;
lacking symmetry:Most faces are asymmetric.
- Mathematics(of a logical or mathematical relation) holding true of members of a class in one order but not in the opposite order, as in the relation "being an ancestor of.''
- having an unsymmetrical arrangement of atoms in a molecule.
- noting a carbon atom bonded to four different atoms or groups.
- (of a polymer) noting an atom or group that is within a polymer chain and is bonded to two different atoms or groups that are external to the chain.
- a-6 + symmetric 1870–75
'asymmetry' also found in these entries (note: many are not synonyms or translations):