thirds is a form of:

Improvement



noun
1.
~ (on in something) (an improving or being improved, a making or becoming better, change or addition that makes something better) ការចម្រើនរៀងល្អ, អោយបានប្រសើរ, វឌ្ឍនភាព, សភាពចម្រើន, សភាពជឿន, ឧត្ដមភាព, លើសគេ patient shows improvement ការគ្រាន់បើឡើង, difficult of improvement ការធ្វើអោយប្រសើរឡើង, improvement of property ការធ្វើអោយមានតម្លៃឡើង (បសិដ្ឋកម្ម) / This copy is an improvement អ្វីៗដែលប្រសើរជាងមុន
Example: This yours car is an improvement on last year's model.
2.
(បច្ចេកទេស) ការធ្វើអោយប្រសើរឡើង ការពង្រឹង សុវុឌ្ឍិកម្ម បសិដ្ឋកម្ម
  • human right improvement
    - ការធ្វើអោយប្រសើដល់បញ្ហាសិទ្ធិមនុស្ស
ENGLISH MEANING
noun
1.
The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc.
2.
The act of making profitable use or applicaton of anything, or the state of being profitably employed; a turning to good account; practical application, as of a doctrine, principle, or theory, stated in a discourse.
3.
The state of being improved; betterment; advance; also, that which is improved; as, the new edition is an improvement on the old.
4.
Increase; growth; progress; advance.
5.
Valuable additions or betterments, as buildings, clearings, drains, fences, etc., on premises.
6.
A useful addition to, or modification of, a machine, manufacture, or composition.
1.
advance, advancement, alteration, amendment, betterment, development, enhancement, enrichment growth, modernization, progress, progression, reformation, renovation, reorganization