Word Pronunciation & Dictionary

mach number

Word Rarity Rare

Frequency: 3.25 in modern English

Syllables: mach num-ber
IPA

21

Scrabble Score

10

Letters

2

Syllables

9

Unique Chars

Meaning

noun

The ratio of the speed of a body to that of sound in the surrounding medium.

Uncountable

Etymology

After physicist Ernst Mach.

Usage

Uncountable

Frequently Paired Words

hypersonic plasmasonic subsonic supersonic transonic

Questions

What does mach number mean?: The ratio of the speed of a body to that of sound in the surrounding medium.
Where does mach number come from?: After physicist Ernst Mach.

How to pronounce mach number

Open the pronunciation page — Open the Speakur entry for “mach number”.
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