Search the Dictionary

A thermometer filled with water instead of mercury, for ascertaining the precise temperature at which water attains its maximum density. This is about 39º Fahr., or 4º Centigrade; and from that point down to 32º Fahr., or 0º Centigrade, or the freezing point, it expands.

An instrument for measuring power in watts, -- much used in measuring the energy of an electric current.

That one of the two similar thermometers of a psychrometer the bulb of which is moistened; also, the entire instrument.

See Zymic, Zymological, etc.

An instrument for ascertaining the degree of fermentation occasioned by the mixture of different liquids, and the degree of heat which they acquire in fermentation.

An expletive, void of sense, to fill up the meter A merry heart goes all the day, Your sad tires in a mile-a. Shak.

Scimeter-shaped; as, an acinaciform leaf.

eam-of-tartar tree of Australia. Both have a trunk of moderate height, but of enormous diameter, and a wide-spreading head. The fruit is oblong, and filled with pleasantly acid pulp. The wood is very soft, and the bark is used by the natives for making ropes and cloth. D. C. Eaton.

length of the neck of a retort, or to unite two vessels whose openings have different diameters. [Written also adapter.]

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.

Relating to the alcoholometer or alcoholometry. The alcoholometrical strength of spirituous liquors. Ure.

Pertaining to, after the manner of, or in the meter of, the Greek poet Anacreon; amatory and convivial. De Quincey.

Pertaining to an anapest; consisting of an anapests; as, an anapestic meter, foot, verse. -- n.

A form of spirometer.

Containing no liquid; -- said of kind of barometer. Aneroid barometer, a barometer the action of which depends on the varying pressure of the atmosphere upon the elastic top of a metallic box (shaped like a watch) from which the air has been exhausted. An index shows the variation of pressure.

r less conventionalized, used to decorate and sometimes to strengthen an angle. -- Angle meter, an instrument for measuring angles, esp. for ascertaining the dip of strata. -- Angle shaft (Arch.), an enriched angle bead, often having a capital or base, or both. -- Curvilineal angle, one formed by two curved lines.…

Of or pertaining to an anthracometer.

The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.

rom, but not necessarily opposed to, true or real); seeming; as the apparent motion or diameter of the sun. To live on terms of civility, and even of apparent friendship. Macaulay. What Berkeley calls visible magnitude was by astronomers called apparent magnitude. Reid. Apparent horizon, the circle which in a level pla…

Of or pertaining to the satiric Greek poet Archilochus; as, Archilochian meter.