mesItl

[Formed from some of the letters of Eng. methyl, and acetone, with suff. -yl (q.v.).] Chem.: A hypothetical monatomic radical, supposed by Kane to exist in acetone, C3H50. mesityl-oxide, s. mēş-I-al, a. [Gr. mesos=middle.] Middle. "In the fo il forms the mesial eyes are much larger in methyl or zinc ethyl on acetone, or by the distill a. roportion."-London Times. mesial-aspect, s. the mesial-plane.