fluid

[ˈfluːɪd]

fluid Definition

• 1. a substance that flows and is not solid, especially a liquid or gas
• 2. able to flow easily

Using fluid: Examples

Take a moment to familiarize yourself with how "fluid" can be used in various situations through the following examples!

• Example

  The fluid in the bottle is water.

• Example

  The fluid motion of the dancer was mesmerizing.

• Example

  The fluid dynamics of the engine were impressive.

• Example

  The patient was given fluids to rehydrate.

fluid Synonyms and Antonyms

Synonyms for fluid

• liquid
• flowing
• runny
• liquefied
• gas

Antonyms for fluid

• solid
• stiff
• viscous

Phrases with fluid

• body fluid

  any of several types of liquid that are part of the body, such as blood or urine

  Example

  The doctor ordered tests to check for any abnormalities in the patient's body fluids.

• fluid ounce

  a unit of volume equal to approximately 30 milliliters

  Example

  The recipe calls for two fluid ounces of lemon juice.

• fluid mechanics

  the study of how fluids behave under various conditions, such as when they are in motion or under pressure

  Example

  The engineer used principles of fluid mechanics to design the airplane's wing shape.

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Summary: fluid in Brief

The term 'fluid' [ˈfluːɪd] refers to substances that flow and are not solid, including liquids and gases. It can also describe something that moves gracefully and smoothly, as in 'The fluid motion of the dancer was mesmerizing.' Phrases like 'body fluid' and 'fluid mechanics' extend the concept, while idioms are not commonly used with this word. 'Fluid' is both a noun and an adjective, and its synonyms include 'liquid,' 'flowing,' and 'runny.'