This clue appeared in the NYT Crossword on Friday, December 19, 2025 (48 Across). The answer is hidden below until you want it. Friday puzzles are themeless and hard, with clues that are vague on purpose.
Answer length: 3 squares
First letter
P _ _
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About the answer
PHI as a word: (mathematics) The golden ratio; A visual illusion whereby a sequential pattern of lights produces a false sense of motion.
PHI has been an answer 8 times in the NYT Crossword and Mini since December 3, 2025.
Other clues with the same answer
More clues from this puzzle
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- Plane on a diamond (43 Across)
- ___ Hadley, "Clever Girl" novelist (44 Across)
- Certain put-back shot (46 Across)
- Rx dosages (50 Across)
- Extend (52 Across)
- Their talent may not be as important as their last names (54 Across)
- Awed reactions (58 Across)
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