juniper berry oil
Also found in: Medical.
juniper berry oil[′jü·nə·pər ‚ber·ē ‚ȯil]
Colorless oil that darkens and thickens in air; bitter taste, turpentinelike aroma; derived from the dried ripe fruit of the common juniper (Juniperus communis), used in medicine, gins, and liqueurs, and in veterinary practice. Also known as juniper oil.