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h the air or before the wind; esp., to pass or be driven rapidly through the air by any impulse.

e will of others; not under restraint, control, or compulsion; able to follow one's own impulses, desires, or inclinations; determining one's own course of action; not dependent; at liberty. That which has the power, or not the power, to operate, is that alone which is or is not free. Locke.

mitted by radioactive substances. The prevailing view is that they are non-periodic ether pulses differing from Röntgen rays only in being more penetrating.

is also applied to the artificial tones produced by a string or column of air, when the impulse given to it suffices only to make a part of the string or column vibrate; overtones.

Evincing health; as, a healthy pulse; a healthy complexion.

The obtaining of a curve similar to a pulse curve or sphygmogram by allowing the blood from a divided artery to strike against a piece of paper.

ed with closure of the glottis, so that further entrance of air is prevented, while the impulse of the column of air entering and striking upon the closed glottis produces a sound, or hiccough. [Written also hickup or hiccup.]

Excessive dicrotic; as, a hyperdicrotic pulse.

Exhibiting retarded dicrotism; as, a hypodicrotic pulse curve.

Fig.: Impulse; incentive; vigor; force. Buckle.

or momentary agency of a body in motion on another body; also, the impelling force, or impulse. "The impulsion of the air." Bacon.

Having the power of driving or impelling; giving an impulse; moving; impellent. Poor men! poor papers! We and they Do some impulsive force obey. Prior.

That which incites the mind, or moves to action; motive; incentive; impulse. Burke. From the long records of a distant age, Derive incitements to renew thy rage. Pope.

e direct action of the steam upon the water. The water is driven into the boiler by the impulse of a jet of the steam which becomes condensed as soon as it strikes the stream of cold water it impels; - - also called Giffard's injector, from the inventor.

n of God. 2 Tim. iii. 16. The age which we now live in is not an age of inspiration and impulses. Sharp. Plenary inspiration (Theol.), that kind of inspiration which excludes all defect in the utterance of the inspired message. -- Verbal inspiration (Theol.), that kind of inspiration which extends to the very words an…

Natural inward impulse; unconscious, involuntary, or unreasoning prompting to any mode of action, whether bodily, or mental, without a distinct apprehension of the end or object to be accomplished. An instinct is a propensity prior to experience, and independent of instructions. Paley. An instinct is a blind tendency t…

erived from, or prompted by, instinct; of the nature of instinct; determined by natural impulse or propensity; acting or produced without reasoning, deliberation, instruction, or experience; spontaneous. "Instinctive motion." Milton. "Instinctive dread." Cowper. With taste instinctive give Each grace appropriate. Mason…

In an instinctive manner; by force of instinct; by natural impulse.

Between centers. Intercentral nerves (Physiol.), those nerves which transmit impulses between nerve centers, as opposed to peripheral fibers, which convey impulses between peripheral parts and nerve centers.

Innermost; inward; internal; deep-seated; hearty. "I knew from intimate impulse." Milton.