Gypsums [noun]

It is sometimes mixed with lime or gypsum, and dried with heat, and sometimes with animal charcoal or peat charcoal.

"There is an extensive underlying layer of gypsum, here," he said.

At the top there is a small aperture, which is hermetically closed with gypsum.

The difficulty of boiling them soft arises from an excess of gypsum imbibed during their growth.

The gypsum reposing on the mud is composed of plates in such close juxtaposition as to resemble an artificial pavement.

Gypsum occurs in large quantities in association with the rock-salt of the Salt Range, but the local demand is small.

Other adulterants of cream of tartar are acid calcium phosphate, starch, gypsum, and alum.

If gypsum has been used to clarify the wine, it will be present in the cream of tartar as calcium tartrate.

The gypsum exists in a moist soil, not greatly elevated, during certain winds above the lake.

The experiment was to test Liebig's suggestion that gypsum should be added to manure heaps to fix the ammonia.