Search the Dictionary

Renown. [Obs.] Chaucer.

A salimeter.

An instrument for exhibiting the transverse vibrations of cords, and ascertaining the relations between musical notes. It consists of a cord stretched by weight along a box, and divided into different lengths at pleasure by a bridge, the place of which is determined by a scale on the face of the box.…

A black or greenish black mineral occurring in foliated flates, also in velvety bronze-colored incrustations. It is a hydrous silicate of iron and alumina.

An instrument or apparatus for measuring or detecting tithonicity; an actinometer. [R.]

An instrument for determining the rate of vibrations in tones.

The act of measuring with a tonometer; specifically (Med.), measurement of tension, esp. the tension of the eyeball.

A galvanometer in which current is measured by torsion.

Of or pertaining to trigonometry; performed by the rules of trigonometry. --Trig`o*no*met"ric*al*ly, adv. Trigonometrical curve, a curve one of whose coördinates is a trigonometric function of the other. -- Trigonometrical function. See under Function. -- Trigonometrical lines, lines which are employed in solving the…

arts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles.

A uranometry.

A chart or catalogue of fixed stars, especially of stars visible to the naked eye.

A small hydrometer for determining the specific gravity of urine.

The estimation of the specific gravity of urine by the urinometer.

An instrument for determining the strength or purity of wine by measuring its density.

An instrument for measuring the volume of a body, especially a solid, by means of the difference in tension caused by its presence and absence in a confined portion of air.

The method or process of measuring volumes by means of the volumenometer.

ement, Plea in abatement, (Law), plea to the effect that from some formal defect (e.g. misnomer, want of jurisdiction) the proceedings should be abated.

, etc., explanatory of some event; as, no satisfactory account has been given of these phenomena. Hence, the word is often used simply for reason, ground, consideration, motive, etc.; as, on no account, on every account, on all accounts.

The science of sounds, teaching their nature, phenomena, and laws. Acoustics, then, or the science of sound, is a very considerable branch of physics. Sir J. Herschel.