Physicist Mach WSJ Crossword Clue
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explanationWSJ Crossword December 20 2025 Answers
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Frequently Asked Questions About This Clue
The most common and recent 5-letter answer for "Physicist Mach" is ERNST.
The clue refers to Ernst Mach, an Austrian physicist and philosopher known for his contributions to physics, particularly the Mach number, which is a dimensionless unit used in aerodynamics.
This clue was last seen in the WSJ Crossword on December 20, 2025.
Ernst is a male given name of German origin.
Young's partner in accounting, Dada artist Max, Dada pioneer Max, Dadaist Max, Physicist Mach after whom "Mach numbers" are named
The clue “Physicist Mach” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated December 20 2025, the definitive 5-letter answer is: ERNST.
Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.
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