subadditive
Such that the image of a sum is at most the sum of the images of the summandsSuch that the image of a sum is at most the sum of the images of the summands.
Meaning
1 senses(not comparable)Such that the image of a sum is at most the sum of the images of the summands.
The square-root function is subadditive under addition because #92;sqrt#123;a#43;b#125;#92;le#92;sqrta#43;#92;sqrtb.
Origin
From sub- + additive.From sub- + additive.
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Antonyms
1 antonymsWord family
1 related wordsRelatedsubadditivity