flow

1. Movement in people or things characterized with a continuous motion, involving either a non solid mass or a multitude. (countable, uncountable)
2. The movement of a real or figurative fluid. (countable, uncountable)
3. A formalization of the idea of the motion of particles in a fluid, as a group action of the real numbers on a set. (countable, uncountable) · The notion of flow is basic to the study of ordinary differential equations.
4. The rising movement of the tide. (countable, uncountable)
5. Smoothness or continuity. (countable, uncountable) · The room was small, but it had good symmetry and flow.
6. The amount of a fluid that moves or the rate of fluid movement. (countable, uncountable) · Turn on the valve and make sure you have sufficient flow.· Other devices measure water flow in streams fed by melted ice.
7. A flow pipe, carrying liquid away from a boiler or other central plant (compare with return pipe which returns fluid to central plant). (countable, uncountable)
8. A mental state characterized by concentration, focus, and enjoyment of a given task. (countable, uncountable)

Plural flows