Petri dish substance WSJ Crossword Clue

By Date: JUN 8, 2026 Follow on Google

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Frequently Asked Questions About This Clue

The most common and recent 4-letter answer for "Petri dish substance" is AGAR.

The clue 'Petri dish substance' refers to a gel-like substance used in microbiology to culture bacteria. Agar is a common medium poured into Petri dishes to provide nutrients and support for microbial growth.

This clue was last seen in the WSJ Crossword on June 08, 2026.

Agar is a gelatinous substance derived from seaweed, used as a medium for bacterial cultures.

thickener from algae, Gelatin substance, Japanese gelatin, Biology lab gel, Petri dish goo

The clue “Petri dish substance” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated June 8 2026, the definitive 4-letter answer is: AGAR.

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