subadditive
adjEtymology From sub- + additive.
1
Of a function 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.
- Antonyms
- superadditive
- Related terms
- subadditivity