oleo-

1.
a combining form meaning “oil,” used in the formation of compound words:
oleograph.
Also, especially before a vowel, ole-.
Origin
< Latin, combining form representing oleum oil
British Dictionary definitions for oleo-

oleo-

combining form
1.
oil: oleomargarine
Word Origin
from Latin oleumoil
Word Origin and History for oleo-

word-forming element meaning "oil" or "oleic," from Latin oleum (see oil (n.)).

oleo- in Medicine

oleo- or ole-
pref.
Oil: oleic acid.