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A customary deduction from the gross weight of goods, different in different countries, such as tare and tret.

To refer to something indirectly or by suggestion; to have reference to a subject not specifically and plainly mentioned; -- followed by to; as, the story alludes to a recent transaction. These speeches . . . do seem to allude unto such ministerial garments as were then in use. Hooker.

A figurative or symbolical reference. [Obs.]

Having reference to something not fully expressed; containing an allusion.

sed structure (as a square or oblong erection of stone or wood) on which sacrifices are offered or incense burned to a deity. Noah builded an altar unto the Lord. Gen. viii. 20.

To become, in some respects, different; to vary; to change; as, the weather alters almost daily; rocks or minerals alter by exposure. "The law of the Medes and Persians, which altereth not." Dan. vi. 8.

The act of altering or making different. Alteration, though it be from worse to better, hath in it incoveniences. Hooker.

Distributed, as leaves, singly at different heights of the stem, and at equal intervals as respects angular divergence. Gray. Alternate alligation. See Alligation. -- 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…

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 mixture or compound of different things.

The mixing or blending of different elements, races, societies, etc.; also, the result of such combination or blending; a homogeneous union. Macaulay.

not stationary; movable; as, an ambulatory court, which exercises its jurisdiction in different places. The priesthood . . . before was very ambulatory, and dispersed into all families. Jer. Taylor.

A variety of crystallized quartz, of a purple or bluish violet color, of different shades. It is much used as a jeweler's stone. Oriental amethyst, the violet-blue variety of transparent crystallized corundum or sapphire.

on the horizon, from the magnetic east or west point as indicated by the compass. The difference between the magnetic and the true or astronomical amplitude (see 3 above) is the "variation of the compass."

rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.

series. The colorless, volatile, mobile liquid commonly called amylene is a mixture of different members of the group.

An organ which is equivalent in its functions to a different organ in another species or group, or even in the same group; as, the gill of a fish is the analogue of a lung in a quadruped, although the two are not of like structural relations.

etween things in some circumstances or effects, when the things are otherwise entirely different. Thus, learning enlightens the mind, because it is to the mind what light is to the eye, enabling it to discover things before hidden.

nsists of a converging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.

The art of dissecting, or artificially separating the different parts of any organized body, to discover their situation, structure, and economy; dissection.