| roche moutonnee | <geology> See Sheepback. Origin: F, sheep-shaped rock. Source: Websters Dictionary (01 Mar 1998) |
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| roche alum | <chemistry> A kind of alum occuring in small fragments; so called from Rocca, in Syria, whence alum is said to have been obtained; also called rock alum. Source: Websters Dictionary (01 Mar 1998) |
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| tripe-de-roche | <botany> Same as Rock tripe, under Rock. Origin: F. Source: Websters Dictionary (01 Mar 1998) |