/ ˈmeʒərəbl; NAmE / adjective
1.
that can be measured
2.
[ usually before noun ] large enough to be noticed or to have a clear and noticeable effect :
measurable improvements
► meas·ur·ably / -əbli; NAmE / adverb :
Working conditions have changed measurably in the last ten years.
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WORD ORIGIN
Middle English (in the sense moderate ): from Old French mesurable , from late Latin mensurabilis , from Latin mensurare to measure.