Dictionary > Walnut

Walnut

walnut
(Science: botany) 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.
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 (J. 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, or European, walnut, a tree (J. 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 colour, 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 (J. Cinerea), bearing long, oval, thick-shelled, oily nuts, commonly called butternuts. See Butternut.
Origin: OE. Walnot, AS. Wealh-hnutu a Welsh or foreign nut, a walnut; wealh foreign, strange, n, a Welshman, Celt (akin to OHG. Walh, properly, a Celt, from the name of a Celtic tribe, in L. Volcae) – hnutu a nut; akin to D. Walnoot, G. Walnuss, Icel. Valhnot, Sw. Valnot, Dan valnod. See Nut, and cf. Welsh.


You will also like...

Control of body movement
Control of Body Movement

Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..

Thermographic image of face and neck
Regulation of Organic Metabolism, Growth and Energy Balance

The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..

Pollution in Freshwater Ecosystems
Pollution in Freshwater Ecosystems

There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

running freshwater community
Running Water Freshwater Community Factors

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

"Cronopio dentiacutus", a prehistoric mammal (an illustration)
Mammalian Ancestors

Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

temperature - abiotic factor
Abiotic and Biotic Factors

This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

Related Articles...

No related articles found

See all Related Topics