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An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded.

To act upon; to produce an effect or change upon. As might affect the earth with cold heat. Milton. The climate affected their health and spirits. Macaulay.

Combination in which root words are united with little or no change of form or loss of meaning. See Agglutinative, 2.

Exaggerated representation. By a little aggravation of the features changed it into the Saracen's head. Addison.

The premium or percentage on a better sort of money when it is given in exchange for an inferior sort. The premium or discount on foreign bills of exchange is sometimes called agio.

Exchange business; also, stockjobbing; the maneuvers of speculators to raise or lower the price of stocks or public funds. Vanity and agiotage are to a Parisian the oxygen and hydrogen of life. Landor.

An inflammation or sore under or around the nail; also, a hangnail.

To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise. Agree with thine adversary quickly. Matt. v. 25. Didst not thou agree with me for a penny Matt. xx. 13.

A concurrence in an engagement that something shall be done or omitted; an exchange of promises; mutual understanding, arrangement, or stipulation; a contract.

To change by alchemy; to transmute. Lovelace.

utralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue. Fixed alkalies, potash and soda. -- Vegetable alkalies. Same as Alkaloids. -- Volatile alkali, ammonia, so called in distinction from the fixed alkalies.

To become changed into an alkali.

ut the all. Thus Wyclif says, "The vail of the temple was to rent:" and of Judas, "He was hanged and to-burst the middle:" i. e., burst in two, or asunder. -- All along. See under Along. -- All and some, individually and collectively, one and all. [Obs.] "Displeased all and some." Fairfax. -- All but. (a) Scarcely;…

Changeable in color.

Changing color.

A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently an allomorph after pyrite. G. H. Williams.

The property which constitutes an allomorph; the change involved in becoming an allomorph.

A slip of paper attached to a bill of exchange for receiving indorsements, when the back of the bill itself is already full; a rider. [A French usage] Abbott.

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

To make otherwise; to change in some respect, either partially or wholly; to vary; to modify. "To alter the king's course." "To alter the condition of a man." "No power in Venice can alter a decree." Shak. It gilds all objects, but it alters none. Pope. My covenant will I not break, nor alter the thing that is gone out…