Webster's Revised Unabridged Dictionary · 1913

Diallage

Diallage , noun

[New Latin, from Greek {not transcribed} interchange, change, from {not transcribed} to interchange.]

(Rhetoric) A figure by which arguments are placed in various points of view, and then turned to one point. — Smart

Diallage (?; 277) , noun

[Greek {not transcribed} change, alluding to the change and inequality of luster between the natural joints of the mineral.]

(Mineralogy) A dark green or bronze-colored laminated variety of pyroxene, common in certain igneous rocks.