|suspended hyphen (-)|
|Definition - Ending a series of words with a hyphen to show that the words have a common suffix that will be shown by the last term in the series.|
Pre- and post-war
25-, 35-, 45-, and 55-year-olds
1. Don't omit the hyphen on any of the preceding terms in the sequence.
First, second, and third-graders (bad)
First-, second-, and third-graders (good)