omission
1. [ noun ] a mistake resulting from neglect
Synonyms: skip
Related terms: mistake failure cut
2. [ noun ] something that has been omitted
Examples:

"she searched the table for omissions"

Related terms: neglect
3. [ noun ] (linguistics) any process whereby sounds are left out of spoken words or phrases
Synonyms: deletion
Related terms: linguistic_process ellipsis aphesis elision aphaeresis
4. [ noun ] neglecting to do something; leaving out or passing over something
Related terms: disregard exception oversight pretermission neglect
Similar spelling:   omniscient
  omniscience