mesolabe

[Gr. mesos =middle, and labe =a grip, a hold, a handle, from labein, 2 aor. inf in. of lambano = to take, to hold.] An instrument em mean proportionals ployed for the finding of two mea between two given lines; it was used in solving the problem of the duplicature of the cube. měş-ōle, s . [Gr. mesos=middle.] Min.: A mineral belonging to the group of zeolites (q. v.). It occurs in spherical aggregations of lamellar crystals, with radial structure and pearly luster. It has been referred to thomsonite (q. v.), but contains a larger percentage of silica. Composition: A hydrated silicate of alumina, lime, and soda. Found a ociated with stilbite, apophylite, and chabasite, in the Faroe Islands and the Island of Skye. měs-o-lěp'-Is, s. [Pref. me so-, and Gr. lep is = a scale.] Palæont.: A genus of Ganoid fishes, family Plat kephale the head.] Anat.: The name given by Chau ier to the pons varolii, or tuber annul are of other anatomists. měs-o-çěph-a-lous, a. [MESOCEPHALIC.]