To make short or shorter the duration or extent of
See syn. study at
Ordinary algebra developed very gradually as a kind of shorthand, devised to abbreviate the discussion of arithmetical problems and the statement of arithmetical facts.
If the space is small, you can always abbreviate.
We were forced to abbreviate our trip due to the bad weather.
People who use their middle name as their first name many times abbreviate their first name to an initial.
People often abbreviate names of universities to their acronyms, for ease of conversation.