"Greek letter after chi" NYT crossword answer is:PSI (3 letters length)
The answer for "Greek letter after chi" crossword clue is listed above to help you solve the puzzle you are currently working on.
The Greek letter after chi is psi, and it is the 23rd letter in the Greek alphabet. It is often used in mathematics and science, and is also featured in the popular crossword puzzle in the New York Times. This clue was featured in the November 20, 2023 edition of the paper.