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A circular motion, or a circle described by a moving body; a turn or revolution; a circuit. Quick and more quick he spins in giddy gyres. Dryden. Still expanding and ascending gyres. Mrs. Browning.

omatically vibrating hammer between a contact piece and an electromagnet, or of a rapidly moving piece mechanically driven.

Moving or acting with haste or in a hurry; hurrying; hence, acting without deliberation; precipitate; rash; easily excited; eager.

A warped surface which may be generated by a straight line moving in such a manner that every point of the line shall have a uniform motion in the direction of another fixed straight line, and at the same time a uniform angular motion about it.

assist in advancing. -- To help off, to help to go or pass away, as time; to assist in removing. Locke. -- To help on, to forward; to promote by aid. -- To help out, to aid, as in delivering from a difficulty, or to aid in completing a design or task. The god of learning and of light Would want a god himself to help…

Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis.

To keep back or behind; to prevent from starting or moving forward; to check; to retard; to obstruct; to bring to a full stop; - - often followed by from; as, an accident hindered the coach; drought hinders the growth of plants; to hinder me from going. Them that were entering in ye hindered. Luke xi. 52. I hinder you…

A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces.

Moving in the same direction; -- said of a lever or pulley in which the resistance and the actuating force are both on the same side of the fulcrum or axis.

the charge is introduced, while the gases are retained. -- Hopper boy, a rake in a mill, moving in a circle to spread meal for drying, and to draw it over an opening in the floor, through which it falls. -- Hopper closet, a water-closet, without a movable pan, in which the receptacle is a funnel standing on a draintr…

In a horizontal direction or position; on a level; as, moving horizontally.

Deprived of the hulls. Hulled corn, kernels of maize prepared for food by removing the hulls.

One who, or that which, hulls; especially, an agricultural machine for removing the hulls from grain; a hulling machine.

om the ship. -- Hydraulic ram, a machine for raising water by means of the energy of the moving water of which a portion is to be raised. When the rush of water through the main pipe d shuts the valve at a, the momentum of the current thus suddenly checked forces part of it into the air chamber b, and up the pipe c, i…

A projecting plane or fin on a gliding boat to lift the moving boat on top of the water; also, a gliding boat.

Rushing with force and violence; moving with impetus; furious; forcible; violent; as, an impetuous wind; an impetuous torrent. Went pouring forward with impetuous speed. Byron.

A property possessed by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.

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.

ing, environment, encompassment, etc. It is used with verbs signifying being, resting, or moving within limits, or within circumstances or conditions of any kind conceived of as limiting, confining, or investing, either wholly or in part. In its different applications, it approaches some of the meanings of, and sometim…

Inciting; encouraging or moving; rousing to action; stimulative. Competency is the most incentive to industry. Dr. H. More.