Wordnet 3.0
NOUN (1)
1.
a plastic containing resins;
The Collaborative International Dictionary of English v.0.48:
Resinoid \Res"in*oid\ (r?z"?n-oid), a.
Somewhat like resin.
[1913 Webster]
WordNet (r) 3.0 (2006):
resinoid
n 1: a plastic containing resins