spruce oil

spruce oil

[′sprüs ‚ȯil] (materials) A combustible, colorless to yellow essential oil, soluble in fixed and mineral oils; derived from spruce needles and branches; the main components are bornyl acetate, cadinene, and pinene; used in flavors and veterinary liniments, and as an odorant for soaps and cosmetics. Also known as hemlock oil.