white substance n.
See white matter.
Examining the under part of the belly, we saw the oval end of a white substance which distended the sexual organs.
He wrote something with a white substance on a piece of paper.
Such behavior teaches us that the white substance is probably a mixture of lime and soda.
Some white substance filled the whole interior when I looked in.
Its froth is greenish-yellow, and it stains with this colour any white substance.
The interior of the osin gives a white substance, which is used as a cure for urinal and eye diseases.
Thus when a white substance turns green, the white color is not merely separated from its substance but ceases to exist.
Crouched on the hearth and chewing up the last shreds of some white substance was the puppy.
As usual, these decorations are engraved and filled with a white substance.
The plate was next passed to a lady at my right, who cut a little piece off a white substance; and I thought, "She has ice-cream."