Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial; procope.
The removal of blood from a patient, and the removal of certain components (such as platelets) from that blood, followed by the transfusion of the filtered blood back to the donor (patient).
The omission of a word or phrase that can be inferred from the context.
A mark consisting of (in English) three periods, historically or more formally with spaces in between, before, and after them, " . . . ", or, more recently, a single character, "…", used to indicate that words have been omitted in a text or that they are missing or illegible, or (in mathematics) that a pattern continues (e.g., 1, ..., 4 means 1, 2, 3, 4).
The omission of scenes in a film that do not advance the plot.