improvement

From Wiktionary

Word parts[change]

improve + -ment

Pronunciation[change]

Noun[change]

Singular
improvement

Plural
improvements

Improvement is on the Academic Vocabulary List.
  1. (countable) An improvement makes something better; it improves something.
    The improvement of this entry was well done.
  2. (uncountable) Improvement is the state of being improved or bettered.
  3. (countable) An improvement is an increase, advance, or growth.