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sub·scale | \ ˈsəb-ˌskāl 
\
\variants:
or sub-scale
plural subscales or sub-scales
Definition of subscale
: a scale used to obtain a rating or measurement that contributes to a rating or measurement on a larger scale
The overall score on this scale is the sum of scores on the four subscales. The 90 symptoms form nine subscales and three measures of overall distress.— Marjorie Chary Feinson
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Merriam-Webster unabridgedWords at Play
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Time Traveler for subscale
The first known use of subscale was in 1903
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