testliquid
nounUK /ˈtestˌlɪk.wɪd/
US /ˈtestˌlɪk.wɪd/
A test liquid is a special liquid you use to check something.
The scientist put a drop of test liquid on the paper to see if it turned blue.
RELATED WORDS
OTHER MEANINGS
2. A liquid used in a laboratory to check whether another substance reacts in a certain way.
The test liquid changed color when it touched the acid.
3. A small amount of liquid kept for trying out a machine or device before real use.
They filled the pump with test liquid before starting the engine.
4. A liquid sample used to find out if something is clean or safe.
The nurse used a test liquid to check the water quality.