[¦bid·ər ′är·inj ‚ȯil] (materials) An essential oil from the rind or peel of the orange (Citrus vulgaris); insoluble in water; used as a flavoring and in some perfumes. Also known as orange oil.
bitter orange oil
bit·ter or·ange oil
oil is distilled from flowers (nerdi oil); used by perfume and cosmetic industry; can be applied topically as an antifungal.