noun

1. The act of abridging; reduction or deprivation

   “an abridgment of pleasures or of expenses”

2. The state of being abridged or lessened.

3. An epitome or compend, as of a book; a shortened or abridged form; an abbreviation.

Synonyms: abstract, compendium, epitome, précis, synopsis, diminution, lessening, shortening