Mach
A ratio of the speed to the speed of sound in the fluid or other medium through which…A ratio of the speed (of an object, etc.) to the speed of sound in the fluid or other medium through which the object travels. Usually used to describe supersonic speeds; always precedes the Mach number.
» Mach stands for the speed of sound.
Vortarulo · Tatoeba · CC BY 2.0 FRMeaning
1 senses(uncountable)A ratio of the speed (of an object, etc.) to the speed of sound in the fluid or other medium through which the object travels. Usually used to describe supersonic speeds; always precedes the Mach number.
The jet traveled at Mach 3.
Mach
- Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)
Examples
3 sentencesMach stands for the speed of sound.
Thomas is built like a Mach truck.
The maximum cruising speed of this airplane is Mach 3.
Translations
3 languagesBy meaning 1
Origin
* As a Polish, Czech, Slovak, Ukrainian, and Lower Sorbian surname, from pet forms produce* As a Polish, Czech, Slovak, Ukrainian, and Lower Sorbian surname, from pet forms produced by truncation of personal names beginning with Ma- such as Matej, Martin, or Maciej, and the addition of the Slavic suffix -ch.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: MachsSynonyms
1 synonyms- Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916):Ernst Mach
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.