rock-flint
21flint age — Stone Stone, n. [OE. ston, stan, AS. st[=a]n; akin to OS. & OFries. st[=e]n, D. steen, G. stein, Icel. steinn, Sw. sten, Dan. steen, Goth. stains, Russ. stiena a wall, Gr. ?, ?, a pebble. [root]167. Cf. {Steen}.] 1. Concreted earthy or mineral… …
22flint — Synonyms and related words: adamant, bone, brand, brick, butane lighter, cement, cigarette lighter, concrete, diamond, firebrand, flambeau, flint and steel, granite, heart of oak, igniter, iron, light, lighter, marble, nails, oak, portfire, rock …
23flint — m ( es/ as) flint, rock …
24Rock crystal — Crystal Crys tal (kr[i^]s tal), n. [OE. cristal, F. cristal, L. crystallum crystal, ice, fr. Gr. kry stallos, fr. kry os icy cold, frost; cf. AS. crystalla, fr. L. crystallum; prob. akin to E. crust. See {Crust}, {Raw}.] 1. (Chem. & Min.) The… …
25rock crystal — Crystal Crys tal (kr[i^]s tal), n. [OE. cristal, F. cristal, L. crystallum crystal, ice, fr. Gr. kry stallos, fr. kry os icy cold, frost; cf. AS. crystalla, fr. L. crystallum; prob. akin to E. crust. See {Crust}, {Raw}.] 1. (Chem. & Min.) The… …
26flint — (Roget s IV) n. Syn. quartz, adamant, silica; see mineral , rock 1 , stone …
27flint instruments — tools made of hard gray quartz (type of rock) …
28flint — n stone, rock, silica; adamant, granite …
29rock — I n 1. boulder, crag, tor; flint, slate, granite, adamant; stone, pebble; bedrock, shelf, reef. 2. foundation, platform, cornerstone, foundation stone, footing; support, prop, brace; bulwark, rampart, fortress, stronghold; anchor, mainstay, staff …
30sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
