An abbreviation formed by the beginning letters or syllables of other words (as "Benelux").
An abbreviation formed by the initial letters of other words, sometimes exclusively such abbreviations when pronounced as a word (as "laser") rather than as individual letters (initialisms such as "TNT").
To form into an acronym.
The omission of a letter or syllable between two words or inside a word; sometimes marked with an apostrophe.
The deliberate omission of something.
A different mode or method of operating a computer program.