roche alum
[ rohch ]
/ roʊtʃ /
noun Chemistry.
an alumlike substance derived from alunite.
Origin of roche alum
1400–50;
roche cliff, rocky height (now obsolete), late Middle English (see
rock1); apparently partial translation of Middle French
alum en roque, alun de roche
Words nearby roche alum
rocambole,
rocard,
rochalimaea,
rochambeau,
rochdale,
roche alum,
roche limit,
roche moutonnée,
rochelle,
rochelle powder,
rochelle powders