n. (Photog.) Either of two compounds, a chlorine derivative and bromine derivative, of hydroquinone, used as developers. [ Webster 1913 Suppl. ]

a. [ OE. aventurous, aunterous, OF. aventuros, F. aventureux, fr. aventure. See Adventure, n. ] 1. Inclined to adventure; willing to incur hazard; prone to embark in hazardous enterprise; rashly daring; -- applied to persons. [ 1913 Webster ]

Bold deed thou hast presumed, adventurous Eve. Milton. [ 1913 Webster ]

2. Full of hazard; attended with risk; exposing to danger; requiring courage; rash; -- applied to acts; as, an adventurous undertaking, deed, song. [ 1913 Webster ]

Syn. -- Rash; foolhardy; presumptuous; enterprising; daring; hazardous; venturesome. See Rash. [ 1913 Webster ]

adv. In an adventurous manner; venturesomely; boldly; daringly. [ 1913 Webster ]

n. The quality or state of being adventurous; daring; venturesomeness. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; cat + -oid. ] (Zool.) A group of the Carnivora, which includes the cats, civets, and hyenas. [ 1913 Webster ]

n. 1. 1 in some classifications considered the family comprising the giant pandas.
Syn. -- family Ailuropodidae. [ WordNet 1.5 ]

n. [ Gr. &unr_; wheaten flour + -mancy: cf. F. aleuromancie. ] Divination by means of flour. Encyc. Brit. [ 1913 Webster ]

n. [ Gr. &unr_; flour + -meter. ] An instrument for determining the expansive properties, or quality, of gluten in flour. Knight. [ 1913 Webster ]

n. [ See Aleurone. ] Flour made of aleurone, used as a substitute for ordinary flour in preparing bread for diabetic persons. [ Webster 1913 Suppl. ]

n. [ Gr. &unr_; flour. ] (Bot.) An albuminoid substance which occurs in minute grains (“protein granules”) in maturing seeds and tubers; -- supposed to be a modification of protoplasm. [ 1913 Webster ]

a. (Bot.) Having the nature of aleurone. D. C. Eaton. [ 1913 Webster ]

n. a genus of epiphytic or terrestrial ferns of America and Africa and Polynesia.
Syn. -- genus Amauropelta. [ WordNet 1.5 ]

‖n. [ Gr. 'amay`rosis, fr. 'amayro`s dark, dim. ] (Med.) A loss or decay of sight as the result of a neurological disease, without any perceptible changes in the eye; -- called also gutta serena, the “drop serene” of Milton. [ 1913 Webster + AS ]

Amaurosis fugax (Med.), Temporary amaurosis [ AS ]

a. Affected with amaurosis; having the characteristics of amaurosis. [ 1913 Webster ]

1. (Med.) Neuropathy of the neurons innervating blood vessels. Called also Angioneurosis, Vasomotor neurosis, Vasoneurosis. [ AS ]

2. (Med) Angiopathic neuropathy. [ AS ]

‖n. [ NL.; angio- + neurosis. ] (Med.) Angioneuropathy{ 1 }. The term angioneuropathy is now used more frequently than angioneurosis. -- An`gi*o*neu*rot"ic a. [Webster 1913 Suppl. + AS]

a. See Anurous. [ 1913 Webster ]

a. (Zool.) Destitute of a tail, as the frogs and toads. [ Also written anourous. ] [ 1913 Webster ]

‖n.; pl. Aponeuroses [ Gr. &unr_;, fr. &unr_; to pass into a tendon; &unr_; from + &unr_; to strain the sinews, &unr_; sinew, tendon, nerve. ] (Anat.) Any one of the thicker and denser of the deep fasciæ which cover, invest, and the terminations and attachments of, many muscles. They often differ from tendons only in being flat and thin. See Fascia. [ 1913 Webster ]

a. (Anat.) Of or pertaining to an aponeurosis. [ 1913 Webster ]

n. [ Aponeurosis + Gr. &unr_; a cutting. ] Dissection of aponeuroses. [ 1913 Webster ]

a. Burning; ardent. [ R. ] [ 1913 Webster ]

Lo! further on,
Where flames the arduous Spirit of Isidore. Cary. [ 1913 Webster ]

a. Full of augury; foreboding. [ Obs. ] “Augurous hearts.” Chapman. [ 1913 Webster ]

a. [ Aurum + cephalous. ] (Zool.) Having a gold-colored head. [ 1913 Webster ]

n. [ Aurum + chloride. ] (Chem.) The trichloride of gold combination with the chloride of another metal, forming a double chloride; -- called also chloraurate. [ 1913 Webster ]

n. [ G. auerochs, OHG. ūrohso; ūr (cf. AS. ūr) + ohso ox, G. ochs. Cf. Owre, Ox. ] (Zool.) The European bison (Bison bonasus, or Bison Europæus), once widely distributed, but now nearly extinct, except where protected in the Lithuanian forests, and perhaps in the Caucasus. It is distinct from the Urus of Cæsar, with which it has often been confused. [ 1913 Webster ]

n. [ Aurum + cyanide. ] (Chem.) A double cyanide of gold and some other metal or radical; -- called also cyanaurate. [ 1913 Webster ]

n.; pl. E. Auroras L. (rarely used) Auroræ [ L. aurora, for ausosa, akin to Gr. &unr_;, &unr_;, dawn, Skr. ushas, and E. east. ] 1. The rising light of the morning; the dawn of day; the redness of the sky just before the sun rises. [ 1913 Webster ]

2. The rise, dawn, or beginning. Hawthorne. [ 1913 Webster ]

3. (Class. Myth.) The Roman personification of the dawn of day; the goddess of the morning. The poets represented her a rising out of the ocean, in a chariot, with rosy fingers dropping gentle dew. [ 1913 Webster ]

4. (Bot.) A species of crowfoot. Johnson. [ 1913 Webster ]

5. The aurora borealis or aurora australis (northern or southern lights). [ 1913 Webster ]

Aurora borealis i. e., northern daybreak; popularly called northern lights. A luminous meteoric phenomenon, visible only at night, and supposed to be of electrical origin. This species of light usually appears in streams, ascending toward the zenith from a dusky line or bank, a few degrees above the northern horizon; when reaching south beyond the zenith, it forms what is called the corona, about a spot in the heavens toward which the dipping needle points. Occasionally the aurora appears as an arch of light across the heavens from east to west. Sometimes it assumes a wavy appearance, and the streams of light are then called merry dancers. They assume a variety of colors, from a pale red or yellow to a deep red or blood color. The
Aurora australis cd>is a corresponding phenomenon in the southern hemisphere, the streams of light ascending in the same manner from near the southern horizon. [ 1913 Webster ]

a. Belonging to, or resembling, the aurora (the dawn or the northern lights); rosy. [ 1913 Webster ]

Her cheeks suffused with an auroral blush. Longfellow. [ 1913 Webster ]

adj. 1. of or pertaining to the dawn. a dim aurorean glow
Syn. -- auroral. [ WordNet 1.5 ]

a. 1. Containing gold. [ 1913 Webster ]

2. (Chem.) Pertaining to, or derived from, gold; -- said of those compounds of gold in which this element has its lower valence; as, aurous oxide. [ 1913 Webster ]

‖n. (Zool.) A small Asiatic civet of the genus Arctilis. [ 1913 Webster ]

{ , a. [ Cf. F. brachyure. ] (Zool.) Of, pertaining to, or belonging to the Brachyura. [ 1913 Webster ]

n. [ Gr. &unr_;; &unr_; centaur + &unr_; battle. ] (Ancient Art) A fight in which centaurs take part, -- a common theme for relief sculpture, as in the Parthenon metopes. [ Webster 1913 Suppl. ]

{ ‖‖ } n. [ It., clear dark. ] (a) The arrangement of light and dark parts in a work of art, such as a drawing or painting, whether in monochrome or in color. (b) The art or practice of so arranging the light and dark parts as to produce a harmonious effect. Cf. Clair-obscur. [ 1913 Webster ]

adj. same as clamorous.
Syn. -- blatant, clamant, clamorous, vociferous. [ WordNet 1.5 +PJC ]

n. See Chiaroscuro. [ 1913 Webster ]

n. One who swears to another's credibility. W. Wotton. [ 1913 Webster ]

n. (Law) One bound by a common oath with others. [ Obs. ] [ 1913 Webster ]

n. [ Prob. for F. corde du roi king's cord. ] 1. A sort of cotton velveteen, having the surface raised in ridges. [ 1913 Webster ]

2. pl. Trousers or breeches of corduroy. [ 1913 Webster ]

Corduroy road, a roadway formed of logs laid side by side across it, as in marshy places; -- so called from its rough or ribbed surface, resembling corduroy. [ U.S. ] [ 1913 Webster ]

v. t. To form of logs laid side by side. “Roads were corduroyed.” Gen. W. T. Sherman. [ 1913 Webster ]

‖n. [ Chilian name. ] (Zool.) A Chilian burrowing rodent of the genus Spalacopus. [ 1913 Webster ]

a. Unprosperous; unfortunate. [ Obs. ] Spenser. [ 1913 Webster ]

a. Misadventurous; unfortunate. [ Obs. ] Spenser. [ 1913 Webster ]

adj. 1.same as dolorous. [ Brit. ]
Syn. -- dolorous, dolourous, lachrymose, tearful, weeping. [ WordNet 1.5 ]

‖n. (Zool.) A small, nocturnal, South American monkey of the genus Aotus (formerly Nyctipithecus trivirgatus), with large owl-like eyes; hence, the common name owl monkey. [ Written also Durukuli and dourikuli. ] [ 1913 Webster +PJC ]

n. [ L. durus hard + -meter. ] An instrument for measuring the degree of hardness; especially, an instrument for testing the relative hardness of steel rails and the like. [ 1913 Webster ]

a. [ L. durus. ] Hard. [ Obs. & R. ] [ 1913 Webster ]

‖n. pl. [ NL., fr. echiurus, the name of one genus (Gr. 'e`chis an adder + o'yra` tail) + -oid. ] (Zoöl.) A division of Annelida which includes the genus Echiurus and allies. They are often classed among the Gephyrea, and called the armed Gephyreans. [ 1913 Webster ]

a. [ Gr. e'y^ well + &unr_; a fan + &unr_; a tail. ] (Zoöl.) Having a fanlike tail; belonging to the Eurhipiduræ, a division of Aves which includes all living birds. [ 1913 Webster ]