A refined, mineral oil used as a nontoxic insecticide. In agriculture, dormant oil is used to coat plants during the winter, or dormant season, when it can suffocate the insects without killing the plant.
Synonyms and Related Terms
refined mineral oil
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993