Webster’s Revised Unabridged Dictionary · 1913
Dialectic
Di′a·lec′tic (·tĭk), n. Same as Dialectics.
Plato placed his dialectic above all sciences. Liddell & Scott.
Di′a·lec′tic, Di′a·lec′tic·al, a. [L. dialecticus, Gr. διαλεκτικός: cf. F. dialectique. See Dialect.] 1. Pertaining to dialectics; logical; argumental.
2. Pertaining to a dialect or to dialects. Earle.