abbreviate

abbreviate [ uh'-BREE-vee-eyt ]
[ intransitive verb, transitive verb ]

MEANING :
1. (tr. v.) to make a word shorter by omitting letters
2. (tr. v.) to make briefer or less lengthy
3. (tr. v.) to make a short form of
4. (intr. v.) to use the shortened version of

USAGE EXAMPLE 1 :
He abbreviated most of his presentation due to time constraints.
USAGE EXAMPLE 2 :
Highlight your notes or abbreviate them on cards, so that the information can be referred to easily - but don't spend all of your time doing this instead of revising.