eleo-, elaeo-, elaio- (Greek: oil, olive oil).
A tumor or swelling caused by the injection of oil into the tissues.
An instrument for determining the percentage of oil in a mixture; also, the specific gravity of oils.
A rare condition in which there is boggy swelling of the joints, said to be due to a fatty deposit following contusion; or possibly a condition resulting from the injection of paraffin oil as a form of malingering.
The treatment of diseases by the administration of oils given internally or applied externally; oleotherapy.