Eli5: If water can’t be compressed under normal conditions, then how does water pressure work?

Question

Eli5: If water can’t be compressed under normal conditions, then how does water pressure work?

In: 18

Answer 1

To “compress” something is to make it smaller by putting it under pressure.

You can put water under pressure just fine, but it won’t get smaller. It stays the same size, now at a higher pressure.

It is “pressurized” but not “compressed”.