Answer:

poly

Answer	Crossword Clue
POLY	Roly-...
POLY	Roly-..
POLY	Roly follower

POLY	Ester opening
POLY	Manmade fabric, for short
POLY	Unsaturated prefix
POLY	Urethane opening?
POLY	Roly ...
POLY	Ester opening?
POLY	Cal ... (San Luis Obispo university)
POLY	Much, many: Prefix.

POLY	More than one: Comb. form.
POLY	More than one: Prefix.
POLY	Many: Prefix.
POLY	Diverse: Prefix.
POLY	Prefix for gon or glot.
POLY	Prefix with syllable or graph
POLY	Much; many: Comb. form
POLY	Many: Comb. form

POLY	Prefix with clinic
POLY	Kind of graph or ester
POLY	Chromatic prefix
POLY	Cal ...
POLY	Prefix with ethnic
POLY	Prefix with graph
POLY	Part of many a tech school's name
POLY	Roly's partner

POLY	Roly partner
POLY	Prefix with "nomial"
POLY	Prefix with "graph"
POLY	"Roly" follower
POLY	Many: Prefix
POLY	Lead-in to amorous