The act of improving; advancement or growth; a bettering
The act of making profitable use or application of anything, or the state of being profitably employed; practical application, for example of a doctrine, principle, or theory, stated in a discourse.
The state of being improved; betterment; advance
Something which is improved Example: the new edition is an improvement on the old.
Increase; growth; progress; advance.
(in plural) Valuable additions or betterments, for example buildings, clearings, drains, fences, etc., on premises.
(Patent Laws): A useful addition to, or modification of, a machine, manufacture, or composition.
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