"Mach number" meaning in English

See Mach number in All languages combined, or Wiktionary

Noun

Etymology: After physicist Ernst Mach. Head templates: {{en-noun|-}} Mach number (uncountable)
  1. (physics) The ratio of the speed of a body to that of sound in the surrounding medium. Wikipedia link: Ernst Mach Tags: uncountable Categories (topical): Aviation, Physical quantities, Physics, Units of measure Coordinate_terms: hypersonic, plasmasonic, subsonic, supersonic, transonic Translations (ratio — see also Mach): nombre de Mach [masculine] (Catalan), 馬赫數 /马赫数 (Chinese Mandarin), Machovo číslo [feminine] (Czech), machgetal [neuter] (Dutch), Machi arv (Estonian), Machin luku (Finnish), Mach-Zahl [feminine] (German), αριθμός Μαχ (arithmós Mach) [masculine] (Greek), numero di Mach [masculine] (Italian), マッハ数 (mahha sū) (Japanese), ಮ್ಯಾಕ್ ಸಂಖ್ಯೆ (myāk saṅkhye) (Kannada), 마하수 (mahasu) (Korean), número de Mach [masculine] (Portuguese), número Mach [masculine] (Portuguese), numărul lui Mach [neuter] (Romanian), número Mach [masculine] (Spanish), เลขมัค (Thai), Mach sayısı (Turkish)
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          "word": "supersonic"
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          "word": "transonic"
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        "The ratio of the speed of a body to that of sound in the surrounding medium."
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        "(physics) The ratio of the speed of a body to that of sound in the surrounding medium."
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      "word": "αριθμός Μαχ"
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      "sense": "ratio — see also Mach",
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      "word": "numero di Mach"
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      "sense": "ratio — see also Mach",
      "word": "マッハ数"
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      "sense": "ratio — see also Mach",
      "word": "ಮ್ಯಾಕ್ ಸಂಖ್ಯೆ"
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      "word": "마하수"
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      "sense": "ratio — see also Mach",
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      "lang": "Romanian",
      "sense": "ratio — see also Mach",
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      "word": "เลขมัค"
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-03-30 from the enwiktionary dump dated 2025-03-21 using wiktextract (fef8596 and 633533e). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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