- pronunciation:
- flu
ihd
- features:
- Language Note, Word Explorer, Word Parts
| part of speech: |
noun |
| definition: |
A fluid is a substance that can flow. Liquids and gases are fluids.
It is important to drink plenty of fluids, especially when you are sick.- similar words:
- gas, liquid, water
|
| derivations: |
fluidly (adv.), fluidity (n.), fluidness (n.) |
Liquid and
fluid are close in meaning, but they are not synonyms. Both words refer to a state of matter. A liquid is matter in a form that flows easily and is neither a solid nor a gas.
Milk and blood are liquids. Mercury is the only metal that is a liquid at room temperature. A fluid is matter in a form that flows easily and is not a solid.
Water and air are fluids.