howlite

[Named after How, who analyzed it; with Gr. lithos =stone.] Min.: The same as SILICOBAROCALCITE (q. v.). Dana prefers the name Howlite. A. As subst.: A town of Peru 180 miles N. N. E. of Lima. B. As adj .: Of, belonging to, or brought from the place described under A. IMG:content-1332.png:[blocks in formation] 4. A block for scotching a carriage or car wheel. II. Technically: 1. Die-sink.: A cylindrical piece of steel on which the design for a coin is engraved in relief. [MATRIX, PUNCH, DIE.] 2. Lathe : A fluted screw of hardened steel, placed on a mandrel between the centers of a lathe, notched to present cutting-edges, and used in cut ting screw-tools, chasing-tools, . 3. Vehic .: The central portion of a wheel which is slipped upon the arm of the axle, and in which the spokes are set radially; the nave. Hub of the Universe: A term specially applied to Boston, Ma ., and by extension to other cities; the great center or chief city, like the hub of a wheel, to which the spokes are subservient. [NAVEL.] "Calcutta