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An instrument for multiplying or increasing by repetition or accumulation the intensity of a force or action, as heat or electricity. It is particularly used to render such a force or action appreciable or measurable when feeble. See Thermomultiplier.

nt of gold or silver) by the arts of alchemy. [Obs.] Multiplying gear (Mach.), gear for increasing speed. -- Multiplying lens. (Opt.) See under Lens.

Gradually decreasing; past the acme, or crisis, as a distemper. Dunglison.

eases, as hydrophobia, by successive inoculations with an attenuated virus of gradually increasing strength.

Without a phase, or visible form. [R.] "A phaseless and increasing gloom." Poe.

A peg in musical instruments, for increasing or relaxing the tension of the strings.

. Poco a poco Etym: [It.] (Mus.) Little by little; as, poco a poco crescendo, gradually increasing in loudness.

A combination of persons contributing money to be used for the purpose of increasing or depressing the market price of stocks, grain, or other commodities; also, the aggregate of the sums so contributed; as, the pool took all the wheat offered below the limit; he put $10,000 into the pool.

dmission, as of steam, to the engine cylinder before the back stroke is completed, thus increasing the cushioning.

Moving forward; proceeding onward; advancing; evincing progress; increasing; as, progressive motion or course; -- opposed to retrograde.

Increasing; strengthening; -- a direction indicating a sudden increase of force (abbreviated rf., rfz.) Cf. Forzando, and Sforzando.

Increasing in wealth, power, or distinction; as, a rising state; a rising character. Among the rising theologians of Germany. Hare.

The descending, and commonly branching, axis of a plant, increasing in length by growth at its extremity only, not divided into joints, leafless and without buds, and having for its offices to fix the plant in the earth, to supply it with moisture and soluble matters, and sometimes to serve as a reservoir of nutriment…

Having the outer feathers much the longest, the others decreasing regularly to the median ones.

, adv. Increasingly. The best times were spreadingly infected. Milton.

op, and resting on the edges of a kind of open box. They are unequal in size, gradually increasing from the smallest to the largest, and are tuned to the diatonic scale. The tones are produced by striking the pieces of wood with hard balls attached to flexible sticks.

In an increasing or additional degree; even more; -- much used with comparatives. The guilt being great, the fear doth still exceed. Shak.

That strengthens; giving or increasing strength. -- Strength"en*ing*ly, adv. Strengthening plaster (Med.), a plaster containing iron, and supposed to have tonic effects.

A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a mechanical strain or tension in the direction in which the strength is afterward to be exerted.

Thriving by industry and frugality; prosperous in the acquisition of worldly goods; increasing in wealth; as, a thrifty farmer or mechanic.