Compressibility, in Philosophy, - that quality of a body by which it yields to the pressure of another body, so as to be reduced within a smaller compass. The compressibility of liquids is still a matter of doubt with philosophers, although some consider the fact proved by the experiments of Mr. Canton, and, more lately, of Mr. Perkins. According to the former gentleman, the compression of

Compressibility 382

Spirits of wine,

spec. grav. 846 was

66 1,000,000

parts.

Rain water

. „ 1000 . .

46 1,000,000

"

Mercury . .

. " 13,595

3

1,000,000

"