noun 1. a province in central Republic of South Africa: a Boer republic 1854–1900; a British colony (Orange River Colony, ) 1900–10. 49,647 sq. mi. (128,586 sq. km). Capital: Bloemfontein. noun 1. a former province of central South Africa, between the Orange and Vaal rivers: settled by Boers in 1836 after the Great Trek; annexed […]
- Orange flower water
noun 1. a distilled infusion of orange blossom, used in cakes, confectionery, etc
noun 1. a European composite plant, Hieracium aurantiacum, having orange, dandelionlike flowers, growing as a weed, especially in eastern North America.
- Orange III
noun, Chemistry. 1. . noun, Chemistry. 1. an orange-yellow, slightly water-soluble powder, C 1 4 H 1 4 N 3 NaO 3 S, used chiefly as an acid-base indicator.