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1. Deviating from what is considered proper or normal: aberrant behavior.
2. Deviating from what is typical for a specified thing: an aberrant form of a gene.
One that is aberrant.
[Latin aberrāns, aberrant-, present participle of aberrāre, to go astray; see aberration.]
ab′er·rance, ab′er·ran·cy n.
Usage Note: Traditionally, aberrant is pronounced with stress on the second syllable (ă-bĕr′ənt). A more recent pronunciation, with stress on the first syllable (ăb′ər-ənt), has begun to compete with the older one. In 2009, 57 percent of the Usage Panel preferred the newer pronunciation and 43 percent the older. Nonetheless, both pronunciations should be considered acceptable.
the condition or state of being deviant or aberrant.See also: Behavior
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|Noun||1.||aberrance - a state or condition markedly different from the norm|
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
chromosomal aberration, chromosomal anomaly, chromosonal disorder, chrosomal abnormality - any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities