WordReference Random House Learner's Dictionary of American English © 2015
im•prove•ment /ɪmˈpruvmənt/USA pronunciation n. 
  1. [uncountable] an act of improving or the state of being improved:signs of economic improvement.
  2. [countable] a change or addition by which a thing is improved:to make improvements on a house.
See -prov-.

Collins Concise English Dictionary © HarperCollins Publishers::

improvement /ɪmˈpruːvmənt/ n
  1. the act of improving or the state of being improved
  2. something that improves, esp an addition or alteration
  3. (usually plural) Austral NZ a building or other works on a piece of land, adding to its value



'improvements' also found in these entries:

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