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pierrekrahn t1_j6eaq9h wrote

Reply to comment by StupidLemonEater in ELI5- what is the difference between a liquid and a fluid? by stinkybuttttt

A crowd of people or a speech can both be fluid, for instance.

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scratch_post t1_j6eh4e7 wrote

Yup, any set of individual mass units can collectively flow. bucket of sand, people in the cities, cars in the streets. This is, afterall what is happening even with water.

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Bonneville865 t1_j6g4rxi wrote

That’s fluid as an adjective. OP was asking about fluid as a noun.

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tomalator t1_j6gkx3w wrote

All that's required is flow. A glacier is made out of ice, but it's still a fluid. Each individual in the crowd isn't a fluid, but the crowd itself is.

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