Pertaining to, derived from, or consisting of, fluorine andboron. Fluoridic acid (Chem.), a double fluoride, consistingessentially of a solution of boron fluoride, in hydrofluoric acid. Ithas strong acid properties, and is the type of the borofluorides.Called also borofluoric acid.
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Fluoboric
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Favier explosive
Any of several explosive mixtures, chiefly of ammonium nitrateand a nitrate derivative of naphthalene. They are stable, but requireprotection from moisture. As prepared it is a compressed cylinder ofthe explosive, filled with loose powder of the same composition, allinclosed in waterproof wrappers. It is used for mining.
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Erection
The state of a part which, from having been soft, has becomehard and swollen by the accumulation of blood in the erectile tissue.
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Houstonia
A genus of small rubiaceous herbs, having tetramerous salveformblue or white flower. There are about twenty species, natives ofNorth America. Also, a plant of this genus.
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Jervine
A poisonous alkaloid resembling veratrine, and found with it inwhite hellebore (Veratrum album); -- called also jervina.
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Tetracid
Capable of neutralizing four molecules of a monobasic acid;having four hydrogen atoms capable of replacement ba acids or acidatoms; -- said of certain bases; thus, erythrine, C4H6(OH)4, is atetracid alcohol.
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Tubal
Of or pertaining to a tube; specifically, of or pertaining toone of the Fallopian tubes; as, tubal pregnancy.
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Peag
A kind of aboriginal shell money, or wampum, of the Atlanticcoast of the United States; -- originally applied only to polishedwhite cylindrical beads.
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Implore
To call upon, or for, in supplication; to beseech; to prey to,or for, earnestly; to petition with urency; to entreat; to beg; --followed directly by the word expressing the thing sought, or theperson from whom it is sought.Imploring all the gods that reign above. Pope.I kneel, and then implore her blessing. Shak.
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Phantom circuit
The equivalent of an additional circuit or wire, in reality notexisting, obtained by certain arrangements of real circuits, as insome multiplex telegraph systems.
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Loco disease
A chronic nervous affection of cattle, horses, and sheep,caused by eating the loco weed and characterized by a slow, measuredgait, high step, glassy eyes with defective vision, delirium, andgradual emaciation.
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Incontestable
Not contestable; not to be disputed; that cannot be called inquestion or controverted; incontrovertible; indisputable; as,incontestable evidence, truth, or facts. Locke.
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Brigade
A body of troops, whether cavalry, artillery, infantry, ormixed, consisting of two or more regiments, under the command of abrigadier general.
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Hockday
A holiday commemorating the expulsion of the Danes, formerlyobserved on the second Tuesday after Easter; -- called also hocktide.[Eng.] [Written also hokeday.]
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Fold
To become folded, plaited, or doubled; to close over another ofthe same kind; to double together; as, the leaves of the door fold. 1Kings vi. 34.
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Hyponitrous
Containing or derived from nitrogen having a lower valence thanin nitrous compounds. Hyponitrous acid (Chem.), an unstable nitrogenacid, NOH, whose salts are produced by reduction of the nitrates,although the acid itself is not isolated in the free state except asa solution in water; -- called also nitrosylic acid.
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Frimaire
The third month of the French republican calendar. It commencedNovember 21, and ended December 20., See Vendémiaire.
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Chestnut
The edible nut of a forest tree (Castanea vesce) of Europe andAmerica. Commonly two or more of the nuts grow in a prickly bur.
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Packer
A person whose business is to pack things; especially, one whopacks food for preservation; as, a pork packer.
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Nemathecium
A peculiar kind of fructification on certain red algæ,consisting of an external mass of filaments at length separating intotetraspores.