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Definition of Cottonseed oil
1. Noun. Edible oil pressed from cottonseeds.
Medical Definition of Cottonseed oil
1. The fixed oil obtained by expression from the seeds of cultivated varieties of the cotton plant, gossypium herbaceum l. It is widely used in soaps, oleomargarine, lubricants, cosmetics, and salad and cooking oils. In veterinary medicine, it is used as a delousing agent, usually combined with two parts of pine tar for ear ticks of horses, and as a mild emollient and laxative for small animals. (12 Dec 1998)