Petri dish substance
Crossword clue · 1 known answers · 1 appearances · Last seen in the Wall Street Journal crossword on June 8, 2026
Latest answer · Verified
AGAR
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About this clue
The clue “Petri dish substance” 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 Wall Street Journal crossword on June 8, 2026, where the answer was AGAR.
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