You say "A hyphen" because the sound of the letter "H" at the beginning of the word "hyphen" is pronounced, making it a consonant sound.
No, it does not have a hyphen.
It Is A Special Hyphen
A colon is this : and a hyphen is this -
multimedia - NO hyphen
hyphen
No there's not a hyphen.
It does not need to have a hyphen! :)
Non-breaking hyphen
does time-line have a hyphen
No, deworming is not spelled with a hyphen.
As in similar English words, the hyphen has become redundant. The usual spelling is reevaluate. However, some style guides still prefer re-evaluate. AP Stylebook lists the following guideline in its rules for using prefixes: "Except for cooperate and coordinate, use a hyphen if the prefix ends in a vowel and the word that follows begins with the same vowel." There is no one-rule-fits-all regarding hyphens and prefixes. As always, consult your style guide and be consistent.