Difference between Hyphen and Dash

Hyphen

Part of speech: noun

Definition: Symbol "-", typically used to join two related words to form a compound noun, or to indicate that a word has been split at the end of a line.

Dash

Part of speech: interjection

Definition: Damn!

Part of speech: noun

Definition: Any of the following symbols: ‒ (figure dash), – (en dash), — (em dash), or ― (horizontal bar).A short run.A small quantity of a liquid substance; less than 1/8 of a teaspoon.A dashboard.One of the two symbols of Morse code.

Part of speech: verb

Definition: To run quickly or for a short distance.To leave or depart.To destroy by striking (against).To throw violently.To sprinkle; to splatter.To ruin; to destroy.To dishearten; to sadden.To complete hastily, usually with down or off.

Example sentence: I've learned some quick tricks about how to fix my hair so I can dash somewhere unexpected and still be O.K. when someone stops me to take a picture.