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Pertaining to a fluid, or to its flowing motion. Fluidal structure (Geol.), the structure characteristic of certain volcanic rocks in which the arrangement of the minute crystals shows the lines of flow of thew molten material before solidification; -- also called fluxion structure.

Violent agitation; commotion; bustle; hurry. The racket and flurry of London. Blakw. Mag.

The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan. The chirp and flutter of some single bird Milnes. .

alysis developed by Newton, and based on the conception of all magnitudes as generated by motion, and involving in their changes the notion of velocity or rate of change. Its results are the same as those of the differential and integral calculus, from which it differs little except in notation and logical method.…

o or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.

To watch, as a receding object; to keep the eyes fixed upon while in motion; to keep the mind upon while in progress, as a speech, musical performance, etc.; also, to keep up with; to understand the meaning, connection, or force of, as of a course of thought or argument. He followed with his eyes the flitting shade. Dr…

The part of a machine that receives motion from another part. See Driver.

ndicating that toward which the action of anything is directed, or the point toward which motion is made; We sailed from Peru for China and Japan. Bacon.

ween two bodies which changes, or tends to change, their relative condition as to rest or motion; or, more generally, which changes, or tends to change, any physical relation between them, whether mechanical, thermal, chemical, electrical, magnetic, or of any other kind; as, the force of gravity; cohesive force; centri…

nted by] letters, the material part is breath and voice; the formal is constituted by the motion and figure of the organs of speech. Holder.

Having freedom of motion interfered with by collision or entanglement; entangled; -- opposed to clear; as, a rope or cable may get foul while paying it out.

To be agitated; to be in violent commotion; to rankle; as, rancor frets in the malignant breast.

ich a body meets with from the surface on which it moves. It may be resistance to sliding motion, or to rolling motion.

oduced by friction; as, frictional electricity. Frictional gearing, wheels which transmit motion by surface friction instead of teeth. The faces are sometimes made more or less V-shaped to increase or decrease friction, as required.

To be agitated; to be greatly moved. [Obs.] What kindling motions in their breasts do fry. Fairfax.

Filled with emotions. The heart is so full that a drop overfills it. Lowell.

Excitement; commotion; enthusiasm.

The act of furthering or helping forward; promotion; advancement; progress. I know that I shall abide and continue with you all for your furthersnce and joy of faith. Phil. i. 25. Built of furtherance and pursuing, Not of spent deeds, but of doing. Emerson.

ct upon the piston expansively; the cut-off. See under Expansion. -- Feed gear. See Feed motion, under Feed, n. -- Gear cutter, a machine or tool for forming the teeth of gear wheels by cutting. -- Gear wheel, any cogwheel. -- Running gear. See under Running. -- To throw in, or out of, gear (Mach.), to connect or…

The parts by which motion imparted to one portion of an engine or machine is transmitted to another, considered collectively; as, the valve gearing of locomotive engine; belt gearing; esp., a train of wheels for transmitting and varying motion in machinery. Frictional gearing. See under Frictional. -- Gearing chain, a…