subadditive
About 0.01 uses per million words.
Meaning
- adjective 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 a+b≤a+b.
Similar words
superadditive additive underadditive additative hypoadditive overadditive submultiplicative supermodular countably additive protoadditive
Often followed by
at cost and for in costs function if functions
Save “subadditive” to learn later