adj. 1.  Deviating from the normal or common order, form, or rule. 2.  Equivocal, as in classification or nature. [From Late Latin anōmalos, from Greek, uneven : probably from an-, not; see  A-1 + homalos, even (from homos, same; see  sem-1 in the Appendix of Indo-European roots).] a·noma·lous·ly adv. a·noma·lous·ness n.  | 
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