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Fluid

Substance that continuously deforms under shear stress.

liquids gels

Fluid is a substance that continuously deforms (flows) under an applied shear stress, even without any external force. It is a state of matter that does not have a fixed shape.

Pronunciation

/ˈfluːɪd/

Etymology

From Latin fluidus, meaning 'flowing'.

Explain Like I’m 5

Fluids are like water or honey - they can flow and change shape when you push on them.

Fun Facts

Honey is a fluid
Air is a fluid
Some materials, like quicksand, behave as fluids under certain conditions

FAQ

What is a fluid? A substance that continuously deforms under shear stress
What are examples of fluids? Liquids and gases
How do fluids differ from solids? Solids hold their shape, while fluids flow

Synonyms — Similar or Related Terms

liquid flowing substance

Antonyms — Opposites or Contrasts

solid

Hypernyms — Broader Categories

matter substance

Hyponyms — Specific Examples

water oil gas

Meronyms — Parts or Components

molecules

Holonyms — Wholes or Groups

matter

Indexes

natural object physical property

Related

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