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woad    
n. 大青;菘蓝;蓝色染料

大青;菘蓝;蓝色染料

woad
n 1: a blue dyestuff obtained from the woad plant
2: any of several herbs of the genus Isatis

Woad \Woad\, n. [OE. wod, AS. w[=a]d; akin to D. weede, G. waid,
OHG. weit, Dan. vaid, veid, Sw. veide, L. vitrum.] [Written
also {wad}, and {wade}.]
[1913 Webster]
1. (Bot.) An herbaceous cruciferous plant ({Isatis
tinctoria}) of the family {Cruciferae} (syn.
{Brassicaceae}). It was formerly cultivated for the blue
coloring matter derived from its leaves. See {isatin}.
[1913 Webster]

2. A blue dyestuff, or coloring matter, consisting of the
powdered and fermented leaves of the {Isatis tinctoria}.
It is now superseded by indigo, but is somewhat used with
indigo as a ferment in dyeing.
[1913 Webster]

Their bodies . . . painted with woad in sundry
figures. --Milton.
[1913 Webster]

{Wild woad} (Bot.), the weld ({Reseda luteola}). See {Weld}.


{Woad mill}, a mill grinding and preparing woad.
[1913 Webster]


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  • Isatis tinctoria - Wikipedia
    Isatis tinctoria, also called woad ( ˈwoʊd ), dyer's woad, dyer's-weed, or glastum, is a flowering plant in the family Brassicaceae (the mustard family) with a documented history of use as a blue dye and medicinal plant
  • Woad | Dye Plant, Blue Flower Biennial | Britannica
    A summer-flowering plant native to Eurasia, woad is sometimes cultivated for its attractive flowers and has naturalized in parts of North America, where it is considered a noxious weed
  • WOAD Definition Meaning - Merriam-Webster
    The meaning of WOAD is a European herb (Isatis tinctoria) of the mustard family formerly grown for the blue dyestuff yielded by its leaves; also : this dyestuff
  • What Is A Woad Plant - Gardening Know How
    Woad (Isatis tinctoria) is an erect biennial that grows to between 1-3 feet (30-90 cm ), sometimes up to 4 feet (1 2 m ) in height Its leaves are bluish green overlaid with a powdery white fluff The leaves are narrow and lightly serrated to wavy
  • All About Woad gt; Buy woad - THE blue natural dye learn how . . .
    All About Woad The most important blue natural dye, used by the Celts Braveheart Learn how to dye with woad and to grow woad plants extract woad pigment Buy woad dye and woad products
  • Woad - Advice From The Herb Lady
    Woad (Isatis tinctoria) also called Dyer’s Woad, has been used as a dye for thousands of years Seeds of this plant have been found in Neolithic (Stone Age) archeological sites
  • How to Grow and Care for Dyer’s Woad - Gardener’s Path
    But if you’re looking for a plant with a long history, useful leaves, and a tidy habit in the garden, woad fits the bill Woad grows one to three feet tall with a basal rosette of bluish green, hairy leaves and a single upright flower stalk that holds clusters of tiny yellow blossoms





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