Page 490
Hyphen . . .
490.1 To Create New Words
A hyphen is used to form new words beginning with the prefixes self, ex, all, and great. A hyphen is also used with suffixes such as elect and free.
Easy access to health information on the Internet has given rise to a lot of self-diagnosing.
Despite advances in health care, we have not created a germ-free world. Some bacteria no longer respond to all-purpose antibiotics.
490.2 To Join Letters and Words
A hyphen is used to join a capital letter to a noun or participle.
U-turn T-bar lift
X-ray therapy PG-rated movie
490.3 To Form an Adjective
Use the hyphen to join two or more words that work together to form a single-thought adjective before a noun.