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Uroxanthin
(U`ro*xan"thin) n. [1st uro- + xanthin.] (Physiol. Chem.) Same as Indican.
Urrhodin
(Ur*rho"din) n. [1st uro- + Gr. a rose.] (Physiol. Chem.) Indigo red, a product of the decomposition,
or oxidation, of indican. It is sometimes found in the sediment of pathological urines. It is soluble in
ether or alcohol, giving the solution a beautiful red color. Also called indigrubin.
Urry
(Ur"ry) n. [Cf. Gael. uir, uireach, mold, clay.] A sort of blue or black clay lying near a vein of
coal.
Ursa
(Ur"sa) n. [L. ursa a she-bear, also, a constellation, fem. of ursus a bear. Cf. Arctic.] (Astron.)
Either one of the Bears. See the Phrases below.
Ursa Major [L.], the Great Bear, one of the most conspicuous of the northern constellations. It is situated
near the pole, and contains the stars which form the Dipper, or Charles's Wain, two of which are the
Pointers, or stars which point towards the North Star. — Ursa Minor [L.], the Little Bear, the constellation
nearest the north pole. It contains the north star, or polestar, which is situated in the extremity of the
tail.
Ursal
(Ur"sal) n. (Zoöl.) The ursine seal. See the Note under 1st Seal.
Ursiform
(Ur"si*form) a. [L. ursus, ursa, a bear + -form.] Having the shape of a bear.
Ursine
(Ur"sine) a. [L. ursinus, from ursus a bear. See Ursa.] Of or pertaining to a bear; resembling
a bear.
Ursine baboon. (Zoöl.) See Chacma. — Ursine dasyure (Zoöl.), the Tasmanian devil. — Ursine
howler (Zoöl.), the araguato. See Illust. under Howler. — Ursine seal. (Zoöl.) See Sea bear, and
the Note under 1st Seal.
Urson
(Ur"son) n. [Cf. Urchin.] (Zoöl.) The Canada porcupine. See Porcupine.
Ursuk
(Ur"suk) n. (Zoöl.) The bearded seal.
Ursula
(Ur"su*la) n. (Zoöl.) A beautiful North American butterfly (Basilarchia, or Limenitis, astyanax). Its
wings are nearly black with red and blue spots and blotches. Called also red-spotted purple.
Ursuline
(Ur"su*line) n. [Cf. F. ursuline.] (R. C. Ch.) One of an order of nuns founded by St. Angela
Merici, at Brescia, in Italy, about the year 1537, and so called from St. Ursula, under whose protection
it was placed. The order was introduced into Canada as early as 1639, and into the United States in
1727. The members are devoted entirely to education.
Ursuline
(Ur"su*line), a. Of or pertaining to St. Ursula, or the order of Ursulines; as, the Ursuline nuns.
Ursus
(||Ur"sus) n. [L., a bear.] (Zoöl.) A genus of Carnivora including the common bears.
Urtica
(||Ur*ti"ca) n. [L., a nettle.] (Bot.) A genus of plants including the common nettles. See Nettle,
n.
Urticaceous
(Ur`ti*ca"ceous) a. (Bot.) Of or pertaining to a natural order (Urticaceæ) of plants, of which
the nettle is the type. The order includes also the hop, the elm, the mulberry, the fig, and many other
plants.
Urtical
(Ur"tic*al) a. Resembling nettles; — said of several natural orders allied to urticaceous plants.
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