Petri dish substance WSJ Crossword Clue

By Narcissa Kh /

Crossword Answer

1 ? A
2 ? G
3 ? A
4 ? R
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      Hint 1

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      Think of what helps tiny organisms thrive in a lab setting.

      Hint 2

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

      Hint 3

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

      Hint 4

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

      Clue Analysis

      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.

      Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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      Petri dish substance Crossword Clue