MACH meaning: Speed relative to sound waves

We found 36 dictionaries that define the word MACH:

General (21 matching dictionaries)

mach: Longman Dictionary of Contemporary English
Mach, mach: Merriam-Webster
Mach, mach: Oxford Learner's Dictionaries
Mach: American Heritage Dictionary of the English Language
Mach: Collins English Dictionary
Mach: Vocabulary.com
Mach, mach, mach: Wordnik
Mach, mach: Cambridge Advanced Learner's Dictionary
Mach, mach: Wiktionary
mach: Webster's New World College Dictionary, 4th Ed.
Mach: The Wordsmyth English Dictionary-Thesaurus
mach: Infoplease Dictionary
Mach, mach: Dictionary.com
Mach: Online Etymology Dictionary
M.A.C.H, M.A.C.H. (video game), MACH, Mach (crater), Mach (kernel), Mach (speed), Mach: Wikipedia, the Free Encyclopedia
Mach: Rhymezone
mach: FreeDictionary.org
mach: Mnemonic Dictionary
Mach: TheFreeDictionary.com

Art (2 matching dictionaries)

mach: ArtLex Lexicon of Visual Art Terminology
Glossary of Stamp Collecting Terms (No longer online)

Computing (3 matching dictionaries)

Mach: Free On-line Dictionary of Computing
BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)
Mach (disambiguation), Mach (kernel), Mach (speed), Mach: Encyclopedia

Medicine (3 matching dictionaries)

Mach: Merriam-Webster Medical Dictionary
online medical dictionary (No longer online)
Mach: Whonamedit.com

Miscellaneous (3 matching dictionaries)

MACH: Acronym Finder
mach: A Word A Day
AbbreviationZ (No longer online)

Science (1 matching dictionary)

MACH: Cytokines & Cells Online Pathfinder Encyclopaedia

Slang (2 matching dictionaries)

mach: Green’s Dictionary of Slang
Mach: Urban Dictionary

Tech (1 matching dictionary)

Explosives (No longer online)

(Note: See maching as well.)

Google, News, Images, Wikipedia, Reddit, BlueSky

Definitions from Wiktionary (Mach)

▸ noun:  A surname from Czech.
▸ noun:  Ernst Mach, Austrian physicist (1838–1916), born in Moravia (now Czech Republic).
▸ noun:  (physics, 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.
▸ noun:  (informal, countable) Short for Machiavellian. [An unscrupulous schemer.]

Similar:

Machac, Machacek, machan, Machamer, Machin, machi, Mucha, Motl, Machlin, Machon, more...

Opposite:

femme, feminine, soft, gentle

Phrases:

Mach number, mach numbers, Ernst Mach, Mach bands, mach cone, more...

Adjectives:

high, austrian, low, man, critical, papier, electrical, german, industrial, philosopher, constant

Colors:

silver, gray, black, white, red, more...

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