Mach Meaning
/mɑːk/Definition, CEFR level B2, pronunciation, examples, and quiz.
Listen pronunciation
Definition
nounA unit for measuring speed relative to the speed of sound.
nameA surname from Czech.
Sentence Examples
Thomas is built like a Mach truck.
The maximum cruising speed of this airplane is Mach 3.
Mach stands for the speed of sound.
CEFR Practice Quiz
During the test flight, the new fighter jet flew at ____ 2 for several minutes.
CEFR Practice Quiz (Alternate)
The supersonic jet was traveling at a speed of ____ two, which is twice the actual speed of sound.
Word Origin & History
* 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. * As a Jewish surname, from German Mache (“work”). * Less commonly, a respelling of Hungarian Mács, a pet form of names corresponding to Matthew. * In some cases, from Vietnamese (Mạch, itself from the Chinese name 麥 /麦) or Cambodian, from Khmer ម៉ាច (maac).
Literary Quotations & Historical Citations
"The 1992 review concluded that Machs are generally less satisfied with their jobs."
— 2013, Mark R. Leary, Rick H. Hoyle, Handbook of Individual Differences in Social Behavior, page 97:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
During the test flight, the new fighter jet flew at ____ 2 for several minutes.
CEFR Practice Quiz (Alternate)
The supersonic jet was traveling at a speed of ____ two, which is twice the actual speed of sound.