Webster's Revised Unabridged Dictionary · 1913

Dissimilitude

Dissimilitude , noun

[Latin dissimilitudo, from dissimilis: compare French dissimilitude.]

1.
Want of resemblance; unlikeness; dissimilarity.
Dissimilitude between the Divinity and images. — Stillingfleet
2.
(Rhetoric) A comparison by contrast; a dissimile.