Mach
Học thuậtThân thiện
Definition
- Proper noun:
- A surname of Austrian origin: Specifically referring to Ernst Mach, a notable 19th-20th century physicist and philosopher.
- Eponym for a scientific concept: The source of the term "Mach number," a unitless measure of speed relative to the speed of sound.
Usage Examples
- Proper noun:
- The principles established by Mach influenced the philosophy of science.
- Many students of aerodynamics study the works of Mach.
Advanced Usage
- "Machian" (adjective): Pertaining to the ideas or philosophy of Ernst Mach.
- The physicist proposed a Machian interpretation of inertia.
Variants and Related Words
- Mach number (noun): The ratio of the speed of an object to the speed of sound in the surrounding medium.
- The jet flew at a speed of Mach 2.
Synonyms
- Ernst Mach: The full name of the individual.
- Mach number: The primary scientific term derived from the surname.
Notes on Meaning
- This word is almost exclusively used as a proper noun referring to the specific historical figure, Ernst Mach. Its use in common language is rare outside of this context or the derived scientific term "Mach number." It is not a standard English noun, verb, or adjective.
Noun
- Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)