Meaning of DELETION in English

DELETION

de ‧ le ‧ tion /dɪˈliːʃ ə n/ BrE AmE noun

1 . [uncountable] when you remove something from a piece of writing or from a computer’s memory

deletion of

the deletion of unwanted files

2 . [countable] a letter or word that has been removed from a piece of writing

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.