- Any of various devices used to measure the flow of a fluid through a pipe etc
adjective ((compar) more fluid, (superl) most fluid)
- Any state of matter which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma
(not comparable) Of, or relating to fluid.
- In a state of flux; subject to change.
- Moving smoothly, or giving the impression of a liquid in motion.
(context, of an asset) Convertible into cash.