Rocket propellent first used
Crossword clue · 1 known answers · 1 appearances · Last seen in the Newsday crossword on January 4, 2026
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LIQUIDFUEL
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About this clue
The clue “Rocket propellent first used” has appeared 1 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the Newsday crossword on January 4, 2026, where the answer was LIQUIDFUEL.