noun / adjective
liquid
LIK-wid/ˈlɪkwɪd/
Able to flow and assume a container's shape while retaining volume.
Liquid water flows from the glass pitcher into the bowl.

Etymology
Latin liquidus described something fluid or flowing. English first used liquid as an adjective, then made it a noun for a substance in that state.
In context
it's a mass of solid impurity floating on the surface of liquid metal
More examples
- The liquid takes the shape of its container.
- Butter becomes liquid when you heat it.
- Oil and water are liquids that do not mix easily.
Forms
liquid · liquids
liquefy verb — To become or make something liquid.