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