1
vote
4answers
6k views

How do hyphens modify the meaning of “n-month-old”?

I see three different ways of hyphenating the phrase "six month old". Six-month old: A six-month old poses with a machine gun owned by supporters of the Free Syrian Army. Six-month-old: ...
6
votes
2answers
352 views

What is the difference between `-` and `--` [duplicate]

Possible Duplicate: When should I use an em-dash, an en-dash, and a hyphen? Is there any difference between: - and -- or in some cases, a long dash I have seen these two used lots of ...