a. Geol. [f. ELUVI-UM + -AL.] Pertaining to, or of the nature of, eluvium.
1862. G. P. Scrope, Volcanos, 172. There is another not unfrequent cause of such ‘eluvial’ debacles.
1881. Geikie, in Nature, XXIII. 225. The superficial weathering of rocks, and the formation of ‘eluvial’ accumulations.
