petri dish

pe·​tri dish | \ ˈpē-trē- How to pronounce petri dish (audio) \

Definition of petri dish

1 : a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology
2 : something (such as a place or situation) that fosters development or innovation the college was a petri dish for radical views

Examples of petri dish in a Sentence

Recent Examples on the Web

Called LifeSupport, the gel-like material is placed in a petri dish, and the printer’s needle creates a three-dimensional structure in the gel. Craig Young, The Denver Post, "Loveland-made 3D printers could eventually help build human organs," 12 June 2019 Forcing them to circulate their dollars among their own proved to be a cultural petri dish that spawned rousing economic communities, replete with retail stores, restaurants, theaters and other services — all owned by blacks. Roy S. Johnson |,, "Johnson: Birmingham’s downtown revival can’t leave once-thriving district behind," 6 June 2019 Helicopter parenting, along with high expectations and a societal repugnance to the possibility of failure, contributes to what American high schools have become: petri dishes of high stress and exhaustion. Zach Schermele, Teen Vogue, "Helicopter Parenting Is Usually More Subtle Than Paying for Kids to Get Into School," 22 Mar. 2019 But most people who get bedbugs tend not to talk about it; there's a certain level of shame that comes with saying your stuff has become a petri dish for bloodsucking insects. Caitlin Moscatello, Redbook, "The Best Tactics to Bedbug-Proof Your House," 26 Jan. 2011 The embryos were grown in a petri dish in a process meant to mimic the embryo’s implantation in the uterus. Amy Dockser Marcus, WSJ, "Gene-Editing Technique in Human Embryos Draws Skepticism," 8 Aug. 2018 Cells that would die in a petri dish stayed alive for a standard 28-day reproductive cycle. Dina Fine Maron, Scientific American, "Menstrual Cycle “on a Chip” Offers a New Window into Female Physiology," 1 June 2017 Step 4 In a process called insemination, the sperm and eggs are placed together in a petri dish and stored that way to facilitate fertilization. Jennifer Gerson, Marie Claire, "Health & Fitness," 1 Oct. 2018 This new egg is fertilized by the father’s sperm via intracytoplasmic sperm injection, a technique that’s similar to IVF, except the sperm is directly injected into an egg rather than entering the cell on its own in a petri dish. Radhika Viswanathan, Vox, "3 biological parents, 1 child, and an international controversy," 24 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petri dish.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of petri dish

1892, in the meaning defined at sense 1

History and Etymology for petri dish

Julius R. Petri †1921 German bacteriologist

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Statistics for petri dish

Last Updated

29 Jun 2019

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Time Traveler for petri dish

The first known use of petri dish was in 1892

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More Definitions for petri dish

petri dish

pe·​tri dish | \ ˈpē-trē- How to pronounce petri dish (audio) \

Medical Definition of petri dish

: a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology

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Rhyming Dictionary: Words that rhyme with petri dish

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food or victuals

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