Learner's definition of MEASUREMENT
1 [noncount] : the act or process of measuring something
The test is for the measurement of a student's progress.
Carpentry requires careful measurement.
The instruments provide accurate measurement of atmospheric conditions.
2 [count] : a size, length, or amount known by measuring something
The room's measurements are 30 by 15 feet.
The instruments are used for taking measurements of atmospheric conditions.
Accurate measurements are required in carpentry.
The tailor took his measurements, and his waist measurement is 36 inches.