- Language Note, Word Explorer, Word Parts
|part of speech:
It is important to drink plenty of fluids.
- similar words:
- gas, liquid, water
||fluidly (adv.), fluidity (n.), fluidness (n.)
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.