Fluid and Pinhole

Fluid noun - Continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas.

Pinhole and fluid are semantically related. In some cases you can use "Pinhole" instead a noun "Fluid".

Nearby Word: fluidity

Pinhole noun - A mark or small hole made by a pointed instrument.

Fluid and pinhole are semantically related. Sometimes you can use "Fluid" instead a noun "Pinhole".