Substance in a petri dish

This crossword clue is for the definition: Substance in a petri dish.
it’s A 25 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Substance in a petri dish crossword” or “Substance in a petri dish crossword clue”. The possible answerss for Substance in a petri dish are listed below.

Did you find what you needed?
We hope you did!.

Possible Answers: AGAR.

Last seen on: NY Times Crossword 17 Jan 23, Tuesday