petri dish

pe·​tri dish | \ˈpē-trē- \

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

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 So many other items hanging oh-so-innocuously around the house turn out to be little more than petri dishes for germs. Ana Veciana-suarez, miamiherald, "A simple Google search turned me into a germophobe," 2 July 2018 Like mutant cells in a petri dish, mock galaxies grew all wrong, becoming excessively starry blobs instead of gently rotating spirals. Natalie Wolchover, WIRED, "The Universe Is Not a Simulation, but We Can Now Simulate It," 16 June 2018 Emoji 11 takes some science-minded strides, with glyphs for goggles, a lab coat, a test tube, a petri dish, and DNA. Ron Amadeo, Ars Technica, "Behold, the 157 new emoji for 2018," 8 Feb. 2018 There are a few possibilities for what this future technology will look like, from genetic modification of existing organs to brand new organs grown in test tubes and petri dishes. Avery Thompson, Popular Mechanics, "This Patch of 3D-Printed Flesh Is a Step Toward a Full 3D-Printed Heart," 3 July 2018 That tension often stems directly from the way startups treat this city as their personal petri dish, leveraging its infrastructure and citizens to disrupt established businesses while making a mint in the process. Jessica Guynn, USA TODAY, "In the Scooter Wars of 2018, it's not really about the scooters," 21 June 2018 Bynum’s knees couldn’t be regenerated in a petri dish, the Sixers clearly topped out as a middling playoff team, and staunch changes were necessary. Jake Fischer,, "Sixers Should Follow Sam Hinkie's Process When Finding Bryan Colangelo's Successor," 7 June 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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Last Updated

16 Nov 2018

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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- \

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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by force of circumstances

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