accuratemeasure

noun
UK /ˈækjərət ˈmɛʒə/
US /ˈækjərət ˈmɛʒər/

A way to find out exactly how big or how much of something there is.

The scientist used an accurate measure to check how much water was in the jar.


OTHER MEANINGS

2. A careful and exact way of judging something.

Her accurate measure of the room's size helped them buy the right rug.

3. A tool or method that gives a true and correct result.

A good clock is an accurate measure of time.

4. The act of checking something so that it is exactly right.

The baker's accurate measure of flour made the cake turn out perfect.