Ellipsis
Part of speech: noun
Definition: A mark consisting of three periods, historically with spaces in between, before, and after them “ . . . ”, nowadays a single character “…” (used in printing to indicate an omission). The omission of a grammatically required word or phrase that can be implied. The omission of scenes in a film that do not advance the plot.
Eclipsis
Part of speech: noun
Definition: An omission of words needed to fully express the sense of a phraseA line or dash used to show that text has been omitted(Irish grammar) The suppression of the sounds of certain radical consonants in place of others.