What do the prefixes mono and poly means?

The prefixes "mono" and "poly" are both of Greek origin and refer to number or quantity. Here's their meaning:

* Mono: Means "one" or "single".

* Examples: monorail (one rail), monotone (one tone), monocle (one lens)

* Poly: Means "many" or "multiple".

* Examples: polyglot (speaking many languages), polytheism (belief in many gods), polygon (shape with many sides)

Let me know if you want examples of words using these prefixes!