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ena, and laws. Acoustics, then, or the science of sound, is a very considerable branch of physics. Sir J. Herschel.

valve of an organ pipe. Grove. Chose in action. (Law) See Chose. -- Quantity of action (Physics), the product of the mass of a body by the space it runs through, and its velocity.

Quick in physical movement; of an agile and vigorous body; nimble; as, an active child or animal. Active and nervous was his gait. Wordsworth.

Apt or tending to adhere; clinging. Thomson. Adhesive attraction. (Physics) See Attraction. -- Adhesive inflammation (Surg.), that kind of inflammation which terminates in the reunion of divided parts without suppuration. -- Adhesive plaster, a sticking; a plaster containing resin, wax, litharge, and olive oil.…

Improvement or progression, physically, mentally, morally, or socially; as, an advance in health, knowledge, or religion; an advance in rank or office.

That department of physics which treats of the atmosphere.

The god of medicine. Hence, a physician.

To fix or fasten in any way; to attach physically. Should they [caterpillars] affix them to the leaves of a plant improper for their food. Ray.

An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent; as, heat is a powerful agent.

(Physics) A mass formed by the union of homogeneous particles; -- in distinction from a compound, formed by the union of heterogeneous particles.

ng up or arousing; disturbance of tranquillity; disturbance of mind which shows itself by physical excitement; perturbation; as, to cause any one agitation.

d upon Hamilton and Mansel), or because of the insufficiency of the evidence furnished by physical and physical data, to warrant a positive conclusion (as taught by the school of Herbert Spencer); -- opposed alike dogmatic skepticism and to dogmatic theism.

Not forming an angle. Agonic line (Physics), an imaginary line on the earth's surface passing through those places where the magnetic needle points to the true north; the line of no magnetic variation. There is one such line in the Western hemisphere, and another in the Eastern hemisphere.

To affect with pain or uneasiness, either physical or mental; to trouble; to be the matter with; -- used to express some uneasiness or affection, whose cause is unknown; as, what ails the man I know not what ails him. What aileth thee, Hagar Gen. xxi. 17.

Relating to or practicing alchemy. Metaphysical and alchemistical legislators. Burke.

To lighten or lessen (physical or mental troubles); to mitigate, or make easier to be endured; as, to alleviate sorrow, pain, care, etc. ; -- opposed to aggravate. The calamity of the want of the sense of hearing is much alleviated by giving the use of letters. Bp. Horsley.

the world with those of the gospel. C. J. Smith. The alliance . . . between logic and metaphysics. Mansel.

The property of existing in two or more conditions which are distinct in their physical or chemical relations.

To change in physical properties but not in substance. [R.]

Trouble; vexation; also, physical pain or smart of a sore, etc. [Obs.] I made the experiment, setting the moxa where . . . the greatest anger and soreness still continued. Temple.