Measurement
Reducing uncertainty about a quantity by observing it. To measure something, first say exactly what it is; a figure for an undefined thing measures nothing.
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What it rests on, and what rests on it
Where it is used
No article names it yet.
Sources
- Douglas W. Hubbard, How to Measure Anything, 2007.
- P. W. Bridgman, The Logic of Modern Physics, 1927.