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ls having different capacities for the conduction of heat, connected with an astatic galvanometer, which is very sensibly affected by the electric current induced in the system of bars when exposed even to the feeblest degrees of heat.

Of or pertaining to heat; produced by heat; as, thermotical phenomena. Whewell.

The phenomenon of turning towards a source of warmth, seen in the growing parts of some plants.

A clock, watch, or other chronometer; a timepiece.

A clock, watch, or other instrument, to measure or show the progress of time; a chronometer.

of triangles into which the face of a country, or any portion of it, is divided in a trigonometrical survey; the operation of measuring the elements necessary to determine the triangles into which the country to be surveyed is supposed to be divided, and thus to fix the positions and distances of the several points con…

The quality, state, or phenomenon of being trichromatic.

latory theory, or Wave theory (of light) (Opt.), that theory which regards its various phenomena as due to undulations in an ethereal medium, propagated from the radiant with immense, but measurable, velocities, and producing different impressions on the retina according to their amplitude and frequency, the sensation…

One who, or that which, unifies; as, a natural law is a unifier of phenomena.

ted things viewed as constituting one system or whole; the whole body of things, or of phenomena; the mundus of the Latins; the world; creation. How may I Adore thee, Author of this universe And all this good to man! Milton.

The quality or state of being vegetal, or exhibiting those physiological phenomena which are common to plants and animals. See Vegetal, a., 2.

To infect with venom; to envenom; to poison. [R.] "Venomed vengeance." Shak.

(phrenism), all under the direction and control of the vital principle. Apart from the phenomena of consciousness, vital actions no longer need to be considered as of a mysterious and unfathomable character, nor vital force as anything other than a form of physical energy derived from, and convertible into, other well-…

of the tissue or tissue cells, is endowed with life, and thus enabled to manifest the phenomena of irritability, contractility, etc. McKendrick.

s of volcanic action; the points beneath volcanoes where the causes producing volcanic phenomena are most active. -- Volcanic glass, the vitreous form of lava, produced by sudden cooling; obsidian. See Obsidian. -- Volcanic mud, fetid, sulphurous mud discharged by a volcano. -- Volcanic rocks, rocks which have been…

One versed in the history and phenomena of volcanoes.

The science which treats of phenomena due to plutonic action, as in volcanoes, hot springs, etc. [R.]

A small timepiece, or chronometer, to be carried about the person, the machinery of which is moved by a spring.

A remarkable meteorological phenomenon, of the nature of a tornado or whirlwind, usually observed over the sea, but sometimes over the land.

s of a wave surface of light in the interior of crystals. It is used in explaining the phenomena of double refraction. See under Refraction. -- Wave theory. (Physics) See Undulatory theory, under Undulatory.