Ab*nor"mal (?), a. [For earlier
anormal.F. anormal, LL. anormalus for anomalus,
Gr. ?. Confused with L. abnormis. See Anomalous,
Abnormous, Anormal.] Not conformed to rule or system;
deviating from the type; anomalous; irregular. "That deviating from
the type; anomalous; irregular. " Froude.