Mach
I. noun Etymology: Mach number Date: 1946 a usually high speed expressed by a Mach number <
an airplane flying at Mach 2
>
II. biographical name Ernst 1838-1916 Austrian physicist & philosopher

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • mach — mach …   Dictionnaire des rimes

  • Mach — [ mak ] n. pr. • v. 1950; nom d un physicien autrichien ♦ Aéronaut. Nombre de Mach : rapport entre la vitesse d un mobile et celle du son se propageant dans le même milieu. Ellipt Voler à Mach 2, à Mach 3, à 2, 3 fois la vitesse du son (⇒… …   Encyclopédie Universelle

  • Mach — ist der Familienname folgender Personen: Alexander Mach (1902–1980), slowakischer Journalist und Politiker, Hauptorganisator der Deportation slowakischer Juden Edmund Mach (Chemiker) (1846–1901), österreichischer Agrarchemiker und Önologe Edmund… …   Deutsch Wikipedia

  • Mach — may refer to:* Mach number, a measure of speed * Gillette Mach3, a manual razor with three blades * Mach bands, an optical illusion * Muscarinic acetylcholine receptor, abbreviated mACh In computers* ATI Mach, a 2D GPU chip by ATI * Mach II, an… …   Wikipedia

  • mach — MACH, machi, s.m. (fiz.) Unitate de măsură pentru viteza mişcării fluidelor, utilizată în aerodinamică şi în tehnica rachetelor, egală cu 340 m/s. ♢ Numărul lui Mach = raport între viteza unui proiectil, avion etc. într un fluid şi cea a… …   Dicționar Român

  • MACH — ist ein Betriebssystem Kernel, der 1985–1994 im Rahmen eines Projekts an der Carnegie Mellon University entwickelt wurde, und gehört zur Klasse der Mikrokernel. Eine aktuelle Inkarnation der Mach Kernel Familie stellt der XNU Kernel dar. Die… …   Deutsch Wikipedia

  • Mach — [mæk US ma:k] n [U] [Date: 1900 2000; Origin: Ernst Mach (1838 1916), Austrian scientist] a unit for measuring speed, especially of an aircraft, in relation to the speed of sound. Mach 1 is the speed of sound, Mach 2 is twice the speed of sound… …   Dictionary of contemporary English

  • Mach — ► NOUN ▪ used with a numeral (as Mach 1, Mach 2, etc.) to indicate the speed of sound, twice the speed of sound, etc. ORIGIN named after the Austrian physicist Ernst Mach (1838 1916) …   English terms dictionary

  • mach — s.m.inv. TS metrol. unità di misura della velocità usata spec. in aeronautica {{line}} {{/line}} DATA: 1948. ETIMO: da Mach, nome del fisico, storico della scienza e filosofo austriaco Ernst Mach (838 1916) …   Dizionario italiano

  • Mach — measure of speed relative to the speed of sound (technically Mach number), 1937, named in honor of Austrian physicist Ernst Mach (1838 1916) …   Etymology dictionary

  • mach — sb. (fk.), mach (en måleenhed for hastighed), i sms. mach , fx machtal …   Dansk ordbog

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