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-- Alternate angles (Geom.), the internal and angles made by two lines with a third, on opposite sides of it. It the parallels AB, CD, are cut by the line EF, the angles AGH, GHD, as also the angles BGH and GHC, are called alternate angles. -- Alternate generation. (Biol.) See under Generation.

Either of two things or propositions offered to one's choice. Thus when two things offer a choice of one only, the two things are called alternatives. Having to choose between two alternatives, safety and war, you obstinately prefer the worse. Jowett (Thucyd. ).

A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock.

A salt formed by the combination of ambreic acid with a base or positive radical.

Not yet fixed legally, or settled past alteration; alterable; as, the dispositions of a will are ambulatory until the death of the testator.

A disposition or arrangement of troops for attacking an enemy unexpectedly from a concealed station. Hence: Unseen peril; a device to entrap; a snare. Heaven, whose high walls fear no assault or siege Or ambush from the deep. Milton.

of being pleasant or agreeable, whether in respect to situation, climate, manners, or disposition; pleasantness; civility; suavity; gentleness. A sweetness and amenity of temper. Buckle. This climate has not seduced by its amenities. W. Howitt.

The quality of being amiable; amiableness; sweetness of disposition. Every excellency is a degree of amiability. Jer. Taylor.

Possessing sweetness of disposition; having sweetness of temper, kind-heartedness, etc., which causes one to be liked; as, an amiable woman.

, or exhibiting, friendliness; after the manner of friends; peaceable; as, an amicable disposition, or arrangement. That which was most remarkable in this contest was . . . the amicable manner in which it was managed. Prideoux. Amicable action (Law.), an action commenced and prosecuted by amicable consent of the partie…

ich one of its hydrogen atoms has been removed; -- called also the amido group, and in composition represented by the form amido.

propensity to love, or to sexual enjoyment; loving; fond; affectionate; as, an amorous disposition.

To remove, as a person or thing, from a position. [Obs.] Dr. H. More.

g current which, when passed through a standard solution of nitrate of silver in water, deposits silver at the rate of 0.001118 grams per second. Called also the international ampère.

A common mineral embracing many varieties varying in color and in composition. It occurs in monoclinic crystals; also massive, generally with fibrous or columnar structure. The color varies from white to gray, green, brown, and black. It is a silicate of magnesium and calcium, with usually aluminium and iron. Some comm…

A phrase, discourse, or proposition, susceptible of two interpretations; and hence, of uncertain meaning. It differs from equivocation, which arises from the twofold sense of a single term.

The extent of a movement measured from the starting point or position of equilibrium; -- applied especially to vibratory movements.

tz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.

A compound of the radical amyl with oxygen and a positive atom or radical.

The substance deposited in the organs in amyloid degeneration.