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ss of determining he constituents of a gaseous mixture by means of the eudiometer, or for ascertaining the purity of the air or the amount of oxygen in it.

An instrument for ascertaining the quantity of a fluid evaporated in a given time; an atmometer.

That which is legally submitted to competent tribunal, as a means of ascertaining the truth of any alleged matter of fact under investigation before it; means of making proof; -- the latter, strictly speaking, not being synonymous with evidence, but rather the effect of it. Greenleaf. Circumstantial evidence, Conclusiv…

An act of knowledge, one or more, by which single facts or general truths are ascertained; experimental or inductive knowledge; hence, implying skill, facility, or practical wisdom gained by personal knowledge, feeling or action; as, a king without experience of war. Whence hath the mind all the materials of reason and…

d out of that pamphlet a few notorious falsehoods. Swift. To extract the root (Math.), to ascertain the root of a number or quantity.

Anything, as a proposal, observation, etc., put forth or thrown out in order to ascertain the views of others; something tentative.

An instrument for ascertaining the quality of milk (i.e., its richness in cream) by determining its specific gravity; a lactometer.

To measure or to ascertain the contents or the capacity of, as of a pipe, barrel, or keg.

One who gauges; an officer whose business it is to ascertain the contents of casks.

An instrument for measuring the specific gravity and ascertaining the quantity of sugar contained in must.

(Physics) An instrument for ascertaining the specific gravity of bodies.

Same as Habitant, 2. General met an emissary . . . sent . . . to ascertain the feelings of the habitans or French yeomanry. W. Irwing.

branch of theology which defines the laws whereby the meaning of the Scriptures is to be ascertained. Schaff-Herzog Encyc.

land, common in Domesday Book and old English charters, the quantity of which is not well ascertained, but has been differently estimated at 80, 100, and 120 acres. [Written also hyde.]

the mouth, to examine the mouth of a horse which has been received as a gift, in order to ascertain his age; -- hence, to accept favors in a critical and thankless spirit. Lowell. -- To take horse. (a) To set out on horseback. Macaulay. (b) To be covered, as a mare. (c) See definition 7 (above).

llam. Hydrostatic balance, a balance for weighing substances in water, for the purpose of ascertaining their specific gravities. -- Hydrostatic bed, a water bed. -- Hydrostatic bellows, an apparatus consisting of a water-tight bellowslike case with a long, upright tube, into which water may be poured to illustrate th…

An instrument for ascertaining the susceptibility of a person to hypnotic influences.

uring heights by observation of barometric pressure; esp., one for determining heights by ascertaining the boiling point of water. It consists of a vessel for water, with a lamp for heating it, and an inclosed thermometer for showing the temperature of ebullition.

Not determinable; impossible to be determined; not to be definitely known, ascertained, defined, or limited. -- In`de*ter"mi*na*bly, adv.

An instrument for ascertaining the strength of an indigo solution, as in volumetric analysis. Ure.