Actually, by what I have studied, Language Studies usually use Latin. Math usually uses Greek. So here are the Greek!
Polynomial = poly (many) nomial (terms)
And
Unidirectional = uni (one) directional
Hope I helped!!
The punctuation should be a colon, if not then a coma but colon is definitely it.
Explanation:
I stopped to buy some candy on the way home from school
