Definition of "apocrenate"

The contact of the air causes the water to deposit an ochreous, brown precipitate, which contains the basic crenate of the peroxide of iron, together with the apocrenate.

1835, The American Journal of Science, volume 28, page 122

The apocrenates of iron and manganese are slightly soluble; those of lime, magnesia and alumina are insoluble.

1875, Journal of the Bath and West of England Society and Southern Counties Association for the Encouragement of Agriculture, Arts, Manufactures, and Commerce, volumes 7-8, page 133