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Incandescence (4)

Solution has appeared in 3 crosswords (2 across and 1 down):

• Quick crossword No 16,491 — 2023-03-15 00:00:04
  3D: Shine (4)
• Quick crossword No 16,222 — 2022-05-04 23:00:20
  19A: Emit a steady light without flames (4)
• Quick crossword No 15,355 — 2019-07-24 23:00:36
  17A: Incandescence (4)