measuring instrument

noun
UK /ˈmɛʒərɪŋ ˈɪnstrəmənt/
US /ˈmɛʒərɪŋ ˈɪnstrəmənt/

A measuring instrument is a tool you use to find out how big, long, heavy, or hot something is.

A ruler is a measuring instrument that tells you how long your pencil is.


OTHER MEANINGS

2. A device used in science to record exact amounts, such as temperature or pressure.

The scientist used a measuring instrument to check the water's temperature.

3. Any tool that helps compare an object's size or amount to a standard unit.

A kitchen measuring instrument helps you add the right amount of flour.

4. Equipment used in industry to check that products are the correct size.

The factory uses a measuring instrument to make sure each part is the same width.