DICT.TW Dictionary Taiwan
Jug·lan·din n. Chem. An extractive matter contained in the juice of the green shucks of the walnut (Juglans regia). It is used medicinally as an alterative, and also as a black hair dye.
◄ ►
Jug·lan·dine n. An alkaloid found in the leaves of the walnut (Juglans regia).
◄ ►
Ju·glone n. Chem. A yellow crystalline substance (C10H6O3) resembling quinone, extracted from green shucks of the walnut (Juglans regia); -- called also nucin. Chemically, it is 5-hydroxy-1,4-naphthalenedione.
◄ ►
Ma·dei·ra n. A rich wine made on the Island of Madeira.
A cup of Madeira, and a cold capon's leg. --Shak.
Madeira nut Bot., the European walnut; the nut of the Juglans regia.
◄ ►
Wal·nut n. Bot. The fruit or nut of any tree of the genus Juglans; also, the tree, and its timber. The seven or eight known species are all natives of the north temperate zone.
Note: ☞ In some parts of America, especially in New England, the name walnut is given to several species of hickory (Carya), and their fruit.
Ash-leaved walnut, a tree (Juglans fraxinifolia), native in Transcaucasia.
Black walnut, a North American tree (Juglans nigra) valuable for its purplish brown wood, which is extensively used in cabinetwork and for gunstocks. The nuts are thick-shelled, and nearly globular.
English walnut, or European walnut, a tree (Juglans regia), native of Asia from the Caucasus to Japan, valuable for its timber and for its excellent nuts, which are also called Madeira nuts.
Walnut brown, a deep warm brown color, like that of the heartwood of the black walnut.
Walnut oil, oil extracted from walnut meats. It is used in cooking, making soap, etc.
White walnut, a North American tree (Juglans cinerea), bearing long, oval, thick-shelled, oily nuts, commonly called butternuts. See Butternut.
◄ ►
Juglans regia
n : Eurasian walnut valued for its large edible nut and its hard
richly figured wood; widely cultivated [syn: English
walnut, English walnut tree, Circassian walnut, Persian
walnut]