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Caused or imparted by impulse or projection; impelled forward; as, projectile motion. Arbuthnot.

(Physiol.), the time required for the mind to transform a sensory impression into a motor impulse. It is an important part of physiological or reaction time. See under Reaction.

A stroke or impulse by which some medium is affected, as in the propagation of sounds.

of a medium in the transmission of light, sound, etc.; oscillation; vibration; pulsation; impulse; beat; movement. The measured pulse of racing oars. Tennyson. When the ear receives any simple sound, it is struck by a single pulse of the air, which makes the eardrum and the other membranous parts vibrate according to t…

importune; to press with solicitation; to tease. To push down, to overthrow by pushing or impulse.

To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.

usness. Reflex action (Physiol.), any action performed involuntarily in consequence of an impulse or impression transmitted along afferent nerves to a nerve center, from which it is reflected to an efferent nerve, and so calls into action certain muscles, organs, or cells. -- Reflex nerve (Physiol.), an excito-motory…

The inward impulses; the affections and passions; -- so called because formerly supposed to have their seat in the part of the body where the kidneys are. My reins rejoice, when thy lips speak right things. Prov. xxiii. 16. I am he which searcheth the reins and hearts. Rev. ii. 23. Reins of a vault (Arch.), the parts b…

lding to force or external pressure; that power of a body which acts in opposition to the impulse or pressure of another, or which prevents the effect of another power; as, the resistance of the air to a body passing through it; the resistance of a target to projectiles.

In the widest sense, a dividing into short portions by a regular succession of motions, impulses, sounds, accents, etc., producing an agreeable effect, as in music poetry, the dance, or the like.

To have a strong sexual impulse at the reproductive period; -- said of deer, cattle, etc.

a player's touching to the ground behind his own goal line a ball which received its last impulse from a man on his own side; -- distinguished from touchback. See Touchdown. -- Safety tube (Chem.), a tube to prevent explosion, or to control delivery of gases by an automatic valvular connection with the outer air; espe…

ground floor. -- Second thought or thoughts, consideration of a matter following a first impulse or impression; reconsideration. On second thoughts, gentlemen, I don't wish you had known him. Dickens.

rth's surface vertically over the center of effort or focal point whence the earthquake's impulse proceeds, or the vertical line connecting these two points.

Motion given by inherent power, without external impulse; spontaneus or voluntary motion. Matter is not induced with self-motion. Cheyne.

Moved by inherent power., without the aid of external impulse.

Moving by inherent power, without the aid of external impulse.

The impulse of a wave by which a vessel is carried bodily. [Written also scend.] W. C. Russell. "The send of the sea". Longfellow.

Of or pertaining to the sensorium or sensation; as, sensory impulses; -- especially applied to those nerves and nerve fibers which convey to a nerve center impulses resulting in sensation; also sometimes loosely employed in the sense of afferent, to indicate nerve fibers which convey impressions of any kind to a nerve…

A quivering or shaking which is the effect of a blow, collision, or violent impulse; a blow, impact, or collision; a concussion; a sudden violent impulse or onset. These strong, unshaken mounds resist the shocks Of tides and seas tempestuous. Blackmore. He stood the shock of a whole host of foes. Addison.…