calcium oxalate

noun

a white, crystalline powder, CaC 2 O 4 , insoluble in water, used in making oxalic acid.

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Avoid plants like pothos contain insoluble calcium oxalate crystals, which can be irritating to the lips and mouths of a curious biter.

Crystals of calcium oxalate are insoluble in acetic acid or caustic soda.

The long axis of the hip-roof crystal is often so shortened that it resembles the envelop crystal of calcium oxalate.

Characteristic octahedral crystals of calcium oxalate (Fig. 47) appear after ingestion of certain vegetables.

The protoplasm of these cells contains granules, pigment, oil globules, and sometimes crystals of calcium oxalate.

Such crystals are composed mostly of calcium oxalate (Esau, 1960:41).

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