Moonbase

Acquired a new vocabulary word today.

Heteroclitic \Het`er*o*clit"ic\, Heteroclitical
            \Het`er*o*clit"ic*al\, a. [See {Heteroclite}.]
   Deviating from ordinary forms or rules; irregular; anomalous;
   abnormal.
   [1913 Webster]

(Seen on ruby-talk)