osmosis. 1. Movement of water through a selectively permeable membrane, e.g. a cell membrane. 2. The movement of solvent molecules through a semipermeable membrane from a dilute solution to a more concentrated solution. 3. Diffusion of a fluid (e.g., water) through a semipermeable membrane.
The Declaration Of Independence was signed in Philadelphia in 1776.
Fifty-six delegates to the Second Continental Congress in Philadelphia signed the United States Declaration of Independence, a statement announcing that the thirteen American colonies then at war with Great Britain were now independent states, and thus no longer a part of the British Empire.