GAS

Neither liquid nor solid (3)

Solution has appeared in 4 crosswords (0 across and 4 down):

• Quick crossword No 16,581 — 2023-06-27 23:00:48
  23D: A source of energy (3)
• Quick crossword No 15,681 — 2020-08-09 23:00:50
  1D: Fuel for US automobiles? (3)
• Quick crossword No 15,519 — 2020-02-03 00:00:01
  23D: Hydrogen, for example (3)
• Quick crossword No 15,418 — 2019-10-06 23:00:35
  23D: Neither liquid nor solid (3)