___ 1 (speed of sound) Crossword Clue
Looking for the answer to “___ 1 (speed of sound)” from the USA Today crossword of December 5, 2025? It has 4 letters. Flip the tiles one at a time, try a hint first, or look through the rest of that puzzle.
Crossword answer
USA TODAY, DECEMBER 5, 2025
Tap a tile to see one letter, or show the whole answer.
MACH is the answer to “___ 1 (speed of sound)”. It means a number indicating the ratio of the speed of a body to the speed of sound.
Hints
Three clues to the answer, gentle first. Open one at a time.
Hint 1 Meaning
A number indicating the ratio of the speed of a body to the speed of sound.
Hint 2 Anagram
Its letters, scrambled: AMHC.
Hint 3 Another clue
It has also been clued as “Speed-of-sound word”.
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Questions
What is the answer to “___ 1 (speed of sound)”?
MACH, 4 letters: a number indicating the ratio of the speed of a body to the speed of sound.
When was “___ 1 (speed of sound)” last seen in a crossword?
In the USA Today crossword of December 5, 2025.
How many letters does the answer have?
4 letters, starting with M.