fluid adjective (LIKELY TO CHANGE) If situations, ideas, or plans are fluid, they are not fixed and are likely to change, often repeatedly and unexpectedly.

1. a substance that is fluid at room temperature and pressure 2. a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas

The meaning of FLUID is having particles that easily move and change their relative position without a separation of the mass and that easily yield to pressure : capable of flowing.

必应词典为您提供Fluid的释义，美 [ˈfluɪd]，英 [ˈfluːɪd]，n. 流体；液；液体； adj. 流畅优美的；易变的；不稳定的；流动的； 网络释义： 流动性；流体的；液体的；

FLUID definition: a substance, as a liquid or gas, that is capable of flowing and that changes its shape at a steady rate when acted upon by a force tending to change its shape.

fluid 1. A substance which can flow because its particles are not fixed in position. Liquids and gases are fluids. 2. A (gas or liquid) substance which takes the shape of its container. 3. Used to distinguish …

A situation that is fluid is unstable and is likely to change often. The situation is extremely fluid and it can be changing from day to day.

Definition of fluid noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Mar 7, 2026 · A fluid is any substance that flows and continuously changes shape when a force is applied to it. Unlike a solid, which holds its shape under pressure, a fluid keeps moving for as long as …

adj. Hydraulics pertaining to a substance that easily changes its shape; capable of flowing. Hydraulics consisting of or pertaining to fluids. changing readily; shifting; not fixed, stable, or rigid: fluid …