fluid
pronunciation
How to pronounce fluid in British English:
UK [ˈfluːɪd]
How to pronounce fluid in American English:
US [ˈfluːɪd]
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- Noun:
- a substance that is fluid at room temperature and pressure
- a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas
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- Adjective:
- subject to change; variable
- characteristic of a fluid; capable of flowing and easily changing shape
- smooth and unconstrained in movement
- in cash or easily convertible to cash
- affording change (especially in social status)
Word Origin
- fluid
- fluid: see flux
- fluid (adj.)
- early 15c., "liquid, capable of flowing," from Middle French fluide (14c.) and directly from Latin fluidus "fluid, flowing, moist," from fluere "to flow" (see fluent). Figurative use, of non-material things, "not fixed or rigid," from 1640s. Related: Fluidly.
- fluid (n.)
- "substance capable of flowing," 1660s, from fluid (adj.). Related: Fluidal (1869), fluidic (1821, Marmaduke Tulket).
Antonym
Example
- 1. Air reacts like a fluid to supersonic objects .
- 2. The device changes the amount of fluid in the lenses .
- 3. The lenses of the glasses are filled with a special fluid .
- 4. The patient developed nausea and vomited bile-stained fluid on several occasions .
- 5. The fluid with the bacteria in it was dotted on to agar plates .