a. Cryst. [f. TRI- + L. clīnāt-us inclined.] = TRICLINIC.
1837. Dana, Min., 40. On examining the figure of anorthite we have no room for a doubt, that this crystal is triclinate. Ibid. (1849), Geol. App., II. (1850), 732. Cleavage oblique, probably indicating triclinate crystallization.