Grapholite

graf′o-līt, n. a kind of slate for writing on.— n. Graphom′eter , an instrument used by surveyors for measuring angles.— adjs. Graphomet′ric , -al , pertaining to or determined by a graphometer.— ns. Graph′ophone , an instrument for recording sounds, based on the principle of the phonograph; Graph′otype , a proce intended to supersede wood-engraving, but superseded by zinco type. [Gr. graphein , to write, lithos , a stone, metron , a measure, phonē , a sound, typos , an impre ion.]