Yes, "cross-training" is typically hyphenated when used as a compound adjective to describe a type of training that incorporates various fitness disciplines. However, when used as a noun, it is often written as one word without a hyphen (e.g., "I enjoy cross training"). The hyphen helps clarify the relationship between the words in specific contexts.
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
No there's not a hyphen.
It does not need to have a hyphen! :)
hyphen
Non-breaking hyphen
does time-line have a hyphen
No, deworming is not spelled with a hyphen.
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.