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her in the whole organism or in any of its parts; especially (Physiol.), any substance or agent capable of evoking the activity of a nerve or irritable muscle, or capable of producing an impression upon a sensory organ or more particularly upon its specific end organ.

tin ore found in alluvial ground; -- so called because a stream of water is the principal agent used in separating the ore from the sand and gravel. -- Stream works (Cornish Mining), a place where an alluvial deposit of tin ore is worked. Ure. -- To float with the stream, figuratively, to drift with the current of op…

from itself also in other respects, as the tapeworm, -- one of the forms that occur in metagenesis.

One who, or that which, stupefies; a stupefying agent.

that substance or being which is conscious of its own operations; the mind; the thinking agent or principal; the ego. Cf. Object, n., 2. The philosophers of mind have, in a manner, usurped and appropriated this expression to themselves. Accordingly, in their hands, the phrases conscious or thinking subject, and subjec…

ubstantial life. Milton. If this atheist would have his chance to be real and substantial agent, he is more stupid than the vulgar. Bentley.

tuting or putting one person or thing in the place of another; as, the substitution of an agent, attorney, or representative to act for one in his absense; the substitution of bank notes for gold and silver as a circulating medium.

To introduce indirectly to the thoughts; to cause to be thought of, usually by the agency of other objects. Some ideas . . . are suggested to the mind by all the ways of sensation and reflection. Locke.

urning of sulphur. It is employed chiefly in the production of sulphuric acid, and as a reagent in bleaching; -- called also sulphurous anhydride, and formerly sulphurous acid. -- Sulphur ether (Chem.), a sulphide of hydrocarbon radicals, formed like the ordinary ethers, which are oxides, but with sulphur in the place…

ric and nitric acids, of soda, of bleaching powders, etc. It is also powerful dehydrating agent, having a strong affinity for water, and eating and corroding paper, wood, clothing, etc. It is thus used in the manufacture of ether, of imitation parchment, and of nitroglycerin. It is also used in etching iron, in removin…

orned hummer. -- Sun grebe (Zoöl.), the finfoot. -- Sun picture, a picture taken by the agency of the sun's rays; a photograph. -- Sun spots (Astron.), dark spots that appear on the sun's disk, consisting commonly of a black central portion with a surrounding border of lighter shade, and usually seen only by the tel…

The doctrine of a divine and supernatural agency in the production of the miracles and revelations recorded in the Bible, and in the grace which renews and sanctifies men, -- in opposition to the doctrine which denies the agency of any other than physical or natural causes in the case. [Written also supranaturalism.]…

Belief in the direct agency of superior powers in certain extraordinary or singular events, or in magic, omens, prognostics, or the like.

The state of being supernatural; belief in supernatural agency or revelation; supernaturalism.

An agent of a corporation, or of any body of men engaged in a business enterprise; an advocate or patron; an assignee.

to Melanchthon, that in the regeneration of a human soul there is a coöperation, or joint agency, on the part both of God and of man.

An effect of the interaction of the actions of two agents such that the result of the combined action is greater than expected as a simple additive combination of the two agents acting separately. Also synergism.

A small black dermestoid beetle (Attagenus piceus) whose larva feeds on tapestry, carpets, silk, fur, flour, and various other goods.

bs, goats, and kids, for gloves, and the like, by imbuing them with alum, salt, and other agents, for softening and bleaching them.

agnetism propounded by Dr. Keiser, in Germany, in which the phenomena are ascribed to the agency of a telluric spirit or influence. [R.] S. Thompson.