WSJ CROSSWORDThe Wall Street Journal

Petri dish substance

WSJ Crossword crossword clue & answer.

June 8 2026

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The answer to “Petri dish substance” is tucked just below. Open it when you’re ready.

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Clue 58 Across

AGAR

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The Wall Street Journal Crossword brings themed grids and wordplay. Use the crossings and reveal individual answers when you need a little help.