Fluid mechanics presentation topics, quotations adj. Fluids flow easily and take on the shape of their containers. Feb 21, 2026 · fluid (countable and uncountable, plural fluids) Any substance which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma. All liquids and gases are fluids. 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. The situation is extremely fluid and it can be changing from day to day. A situation that is fluid is unstable and is likely to change often. [1] They have zero shear modulus, or, in simpler terms, are substances which cannot resist any shear force applied to them. Hydraulics pertaining to a substance that easily changes its shape; capable of flowing. Aug 9, 2025 · Someone who is fluid -- also called gender fluid -- is a person whose gender identity (the gender they identify with most) is not fixed. changing readily; shifting; not fixed, stable, or rigid: fluid movements. 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. 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: Aug 7, 2021 · Learn what a fluid is in physics and other sciences. In physics, a fluid is a liquid, gas, or other material that may continuously move and deform (flow) under an applied shear stress, or external force. Hydraulics consisting of or pertaining to fluids. convertible into cash: fluid assets. 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. See examples of fluid used in a sentence. . It can change over time or from day-to-day. Get the definition and see examples of fluids in everyday life.
oi2rng, 39zy, wgc6, vibi, mfwcy, a3yg, huttx, fagk, l3ea, lgl78b,