lipid
Concise Oxford English Dictionary © 2008 Oxford University Press:
lipid/ˈlɪpɪd/
▶noun Chemistry any of a class of fatty acids or their derivatives that are insoluble in water and include many natural oils, waxes, and steroids.
– origin early 20th cent.: from Fr. lipide, based on Gk lipos ‘fat’.
'lipid' also found in these Oxford entries:
