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Infusorial   Listen
adjective
Infusorial  adj.  (Zool.) Belonging to the Infusoria; composed of, or containing, Infusoria; as, infusorial earth.
Infusorial earth (Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called diatomaceous earth, kieselguhr, and diatomite. It is used in polishing powder, and in the manufacture of dynamite.






Collaborative International Dictionary of English 0.48








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"Infusorial" Quotes from Famous Books



... different specimens of dynamite, with a view to the determination of the effect on the explosive force of the various inert or at least slowly combustible substances with which nitro-glycerine is mixed to produce the dynamite of commerce. Of late, in place of the infusorial earth which formed the solid portion of Nobel's dynamite, such substances as sawdust, powdered bark, and even gunpowder, have been used, probably for the sake of economy alone, without, except in the latter case, any reference to the influence which they might have upon the combustion ...
— Scientific American Supplement, No. 483, April 4, 1885 • Various

... dangerous,—at least not worth speaking of," replied the manager; "nitro-glycerine by itself is indeed very dangerous, being easily exploded by concussion or mere vibration; but when mixed with infusorial earth and thus converted into dynamite, it is one of the safest explosives in existence—not quite so safe, indeed, as gun-cotton, but much more so than gunpowder. Any sort of fire will explode gunpowder, but any sort of fire will not explode dynamite; it will only cause ...
— In the Track of the Troops • R.M. Ballantyne

... There was no breeze, at any time, nor was there the faintest indication of a ripple on the glassy surface of the sea. Between the flashes of phosphorescence, the polished mirror of dark water was not blurred by so much as a breath. The sudden lighting up of myriads of infusorial lamps over vast areas of unruffled water was not due, therefore, to mechanical agitation, and must have had some other and more subtle cause. What the nature was of the impulse that stimulated whole square miles of floating protoplasm into luminous activity so suddenly as ...
— Tent Life in Siberia • George Kennan



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