Amplitude Am"pli*tude, n. [L. amplitudo, fr. amplus: cf. F. amplitude. See {Ample}.] 1. State of being ample; extent of surface or space; largeness of dimensions; size. [1913 Webster]

The cathedral of Lincoln . . . is a magnificent structure, proportionable to the amplitude of the diocese. --Fuller. [1913 Webster]

2. Largeness, in a figurative sense; breadth; abundance; fullness. (a) Of extent of capacity or intellectual powers. ``Amplitude of mind.'' --Milton. ``Amplitude of comprehension.'' --Macaulay. (b) Of extent of means or resources. ``Amplitude of reward.'' --Bacon. [1913 Webster]

3. (Astron.) (a) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator. (b) The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object. [1913 Webster]

4. (Gun.) The horizontal line which measures the distance to which a projectile is thrown; the range. [1913 Webster]

5. (Physics) The extent of a movement measured from the starting point or position of equilibrium; -- applied especially to vibratory movements. [1913 Webster]

6. (math.) An angle upon which the value of some function depends; -- a term used more especially in connection with elliptic functions. [1913 Webster]

{Magnetic amplitude}, the angular distance of a heavenly body, when 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.'' [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • amplitude — [ ɑ̃plityd ] n. f. • XVe; lat. amplitudo 1 ♦ Vx Grandeur, étendue. « Dans l amplitude et immensité de la nature » (Pascal). 2 ♦ Sc. Différence entre les valeurs extrêmes d une grandeur. Amplitude d un intervalle borné : distance entre les bornes …   Encyclopédie Universelle

  • Amplitude — is the magnitude of change in the oscillating variable, with each oscillation, within an oscillating system. For instance, sound waves are oscillations in atmospheric pressure and their amplitudes are proportional to the change in pressure during …   Wikipedia

  • Amplitude [1] — Amplitude, wird in der Mathematik in verschiedenen Fällen als Bezeichnung für Winkel von spezieller Bedeutung gebraucht. So nennen manche Amplitude einer komplexen Zahl (a + ib) den durch die Gleichung a + ib = r (cosφ + isinφ)… …   Lexikon der gesamten Technik

  • amplitude — AMPLITUDE. s. f. Dans le jet des bombes, c est la ligne horizontale comprise entre le point d où part la bombe, et celui où elle va tomber. L amplitude du jet.Amplitude, en Astronomie, est l arc de l horizon compris entre le vrai levant ou le… …   Dictionnaire de l'Académie Française 1798

  • amplitude — of displacement at a point in a vibrating system is the largest value of displacement that the point attains with reference to its equilibrium position. double amplitude peak to peak amplitude static amplitude stress amplitude …   Mechanics glossary

  • Amplitude — Sf Schwingungsweite per. Wortschatz fach. (19. Jh.) Entlehnung. Entlehnt und übertragen aus l. amplitūdo ( dinis) Größe, Weite, Erhabenheit , Abstraktum von l. amplus umfangreich, geräumig, groß .    Ebenso nndl. amplitude, ne. amplitude, nfrz.… …   Etymologisches Wörterbuch der deutschen sprache

  • Amplitude — amplitudė statusas T sritis automatika atitikmenys: angl. amplitude vok. Amplitude, f; Schwingungsweite, f rus. амплитуда, f pranc. amplitude, f …   Automatikos terminų žodynas

  • Amplitude — amplitudė statusas T sritis Standartizacija ir metrologija apibrėžtis Didžiausias virpamojo dydžio nuokrypis nuo pusiausvyros padėties. Amplitudinę vertę virpamasis dydis kiekviename virpesių pusperiodyje pasiekia tik vieną kartą. atitikmenys:… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • Amplitude — amplitudė statusas T sritis fizika atitikmenys: angl. amplitude vok. Amplitude, f rus. амплитуда, f pranc. amplitude, f …   Fizikos terminų žodynas

  • amplitude — (n.) 1540s, from M.Fr. amplitude or directly from L. amplitudinem (nom. amplitudo) wide extent, width, from amplus (see AMPLE (Cf. ample)). Amplitude modulation in reference to radio wave broadcast (as opposed to frequency modulation) first… …   Etymology dictionary

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