sex decimal

[Lat. sexdecim =sixteen.] Crystell.: Having sixteen faces; applied to a crystal when the prism or middle part has six faces, and the two summits together ten faces, or the reverse. sex-de-çŷl, subst. [Pref.sex-, and Eng. decyl.] [CETYL.] sexdecyl-alcohol, s. [CETYLIC-ALCOHOL.]