pendulum

pendulum
Hydrometer Hy*drom"e*ter, n. [Hydro-, 1 + -meter: cf. F. hydrom[`e]tre.] 1. (Physics) An instrument for determining the specific gravities of liquids, and thence the strength spirituous liquors, saline solutions, etc. [1913 Webster]

Note: It is usually made of glass with a graduated stem, and indicates the specific gravity of a liquid by the depth to which it sinks in it, the zero of the scale marking the depth to which it sinks in pure water. Extra weights are sometimes used to adapt the scale to liquids of different densities. [1913 Webster]

2. An instrument, variously constructed, used for measuring the velocity or discharge of water, as in rivers, from reservoirs, etc., and called by various specific names according to its construction or use, as {tachometer}, {rheometer}, {hydrometer}, {pendulum}, etc.; a current gauge.


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • Pendulum — Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements …   The Collaborative International Dictionary of English

  • Pendulum — Saltar a navegación, búsqueda Pendulum Álbum de Creedence Clearwater Revival Publicación 7 de diciembre de 1970 Grabación Wally Heider s Studio, San Francisco, California …   Wikipedia Español

  • Pendulum — Pendulum …   Deutsch Wikipedia

  • pendulum — 1660, from Mod.L. pendulum (1643), properly neut. of L. adj. pendulus hanging down, from pendere to hang (see PENDANT (Cf. pendant)) …   Etymology dictionary

  • Pendŭlum — (lat.), Pendel …   Pierer's Universal-Lexikon

  • pendulum — ► NOUN ▪ a weight hung from a fixed point so that it can swing freely, especially one regulating the mechanism of a clock. DERIVATIVES pendular adjective. ORIGIN Latin, thing hanging down …   English terms dictionary

  • pendulum — [pen′dyo͞o ləm, pen′dyələm, pen′dələm; pen′jo͞oləm, pen′jəem] n. [ModL < neut. of L pendulus: see PENDULOUS] a body hung from a fixed point so as to swing freely to and fro under the combined forces of gravity and momentum: often used in… …   English World dictionary

  • Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …   Wikipedia

  • pendulum — pendulumlike, adj. /pen jeuh leuhm, pen deuh /, n. 1. a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired momentum. 2. Horol. a swinging lever, weighted at the lower end, for regulating the speed of… …   Universalium

  • Pendulum — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Pendulum », sur le Wiktionnaire (dictionnaire universel) Le mot pendulum signifie pendule en anglais.… …   Wikipédia en Français

  • Pendulum — В Викисловаре есть статья «:en:pendulum» Pendulum (рус. маятник): Pendulum …   Википедия

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