“Lead-in to -ology, for the study of the atmosphere” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.AER is the answer to the New York Times crossword clue “Lead-in to -ology, for the study of the atmosphere”. It was last seen in the puzzle of June 27, 2026, where it runs at 50 Across and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.