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roche alum - Meaning and Examples

Meaning of 'roche alum' (Webster Dictionary)

1 . Roche alum
- 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.

Nearby Words:

roc rocambole roccellic roccellin roche roche moutonnee rochelime rochelle rochet roching cask

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