“Diameters halved” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.RADII is the answer to the New York Times crossword clue “Diameters halved”. It was last seen in the puzzle of September 29, 2025, where it runs at 27 Down and fills 5 squares. It crosses 5 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.