URANIUM

Radioactive element used in nuclear reactors (7)

Solution has appeared in 2 crosswords (2 across and 0 down):

• Quick crossword No 16,377 — 2022-11-02 00:00:46
  10A: Nuclear fuel (7)
• Quick crossword No 16,191 — 2022-03-29 23:00:05
  22A: Radioactive element used in nuclear reactors (7)