a. [ad. L. tran(s)silient-em, pr. pple. of tran(s)silīre to leap across, skip over, omit, f. trans across + salīre to leap.] Leaping or passing from one thing or condition to another; in Min. said of one rock substance passing abruptly into another.
Transilient fibres, nerve-fibres passing from one convolution of the brain to another not immediately adjacent (Syd. Soc. Lex., 1899).
1811. Pinkerton, Petralogy, I. p. v. The Transilient Rocks, an interesting series, in which one substance … passes into another, as granite into porphyry, trap into wacken. Ibid., 550. British rocks are often anomalous, or transilient, and can scarcely be reduced to precise denominations.
