Definition of Isatis tinctoria. Meaning of Isatis tinctoria. Synonyms of Isatis tinctoria
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Definition of Isatis tinctoria
Isatis tinctoria 2. (Chem.) A blue dyestuff obtained from several plants
belonging to very different genera and orders; as, the
woad, Isatis tinctoria, Indigofera tinctoria, I.
Anil, Nereum tinctorium, etc. It is a dark blue earthy
substance, tasteless and odorless, with a copper-violet
luster when rubbed. Indigo does not exist in the plants as
such, but is obtained by decomposition of the glycoside
Note: Commercial indigo contains the essential coloring
principle indigo blue or indigotine, with several other
dyes; as, indigo red, indigo brown, etc., and various
impurities. Indigo is insoluble in ordinary reagents,
with the exception of strong sulphuric acid.
Chinese indigo (Bot.), Isatis indigotica, a kind of woad.
Wild indigo (Bot.), the American herb Baptisia tinctoria
which yields a poor quality of indigo, as do several other
species of the same genus. Isatis tinctoriaIsatis I"sa*tis (?; 277), n. [L., a kind of plant, Gr. ?
A genus of herbs, some species of which, especially the
Isatis tinctoria, yield a blue dye similar to indigo; woad. Isatis tinctoriaWoad 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.]
1. (Bot.) An herbaceous cruciferous plant (Isatis
tinctoria). It was formerly cultivated for the blue
coloring matter derived from its leaves.
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is now superseded by indigo, but is somewhat used with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.
Their bodies . . . painted with woad in sundry
Wild woad (Bot.), the weld (Reseda luteola). See Weld.
Woad mill, a mill grinding and preparing woad. Isatis tinctoriaPastel Pas"tel, n. [F.; cf. It. pastello. Cf. Pastil.]
1. A crayon made of a paste composed of a color ground with
gum water. [Sometimes incorrectly written pastil.]
``Charming heads in pastel.' --W. Black.
2. (Bot.) A plant affording a blue dye; the woad (Isatis
tinctoria); also, the dye itself.
Meaning of Isatis tinctoria from wikipedia
- Isatis tinctoria
, also called
woad (/ˈwoʊd/), dyer's woad, or glastum, is a flowering plant
in the family
Br****icaceae. It is occasionally known
- Avet. Isatis takhtajanii
Avet. Isatis tinctoria
L. Isatis tomentella
Boiss. & Balansa Isatis trachycarpa
Trautv. Isatis turcomanica
- I. tinctoria
to: Indigofera tinctoria
, the true indigo, a plant species Isatis tinctoria
, the woad, a flowering plant species Tinctoria
Ages. The dyers
of Lincoln, known
wool with woad (Isatis tinctoria
) to give it a strong
blue shade, created
the eponymous Lincoln
- in the ancient
world. Plant-based dyes such as woad (Isatis tinctoria
), indigo, saffron, and madder
were raised commercially
and were important...
- important species
indigo. In Europe, Isatis tinctoria
, commonly known
as woad, was used for dyeing fabrics
- Woad may refer
to: Isatis tinctoria
, a flowering plant
as glastum. National Anthem
of the Ancient
Britons, also known
as Woad, a humorous
the largest volume
oils of any species. Woad (Isatis tinctoria
) was used in the past to produce
a blue textile
dye (indigo), but has...
- bright yellow
dye. The yellow could
with the blue from woad (Isatis tinctoria
) to produce greens
such as Lincoln
green. The dye was in use by the...
- was copied after
made for Catherine
the Great. In Europe, Isatis tinctoria
, or woad, had been the main source
dye, and the most readily-available...
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