Yours, Etc.: Origins and Uses of 8 Sign-Offs

petri dish

[pee-tree] /ˈpi tri/
a shallow, circular, glass or plastic dish with a loose-fitting cover over the top and sides, used for culturing bacteria and other microorganisms.
1890-95; named after J. R. Petri (died 1921), German bacteriologist Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for petri dish
  • And sometimes it needs to be cultivated, grown as if it were delicate bacteria in a petri dish.
  • They were clustered in a little heap, after dividing in a petri dish for almost three weeks.
  • The number and density of people on this planet is a huge petri dish to grow anything resistant to our measures.
  • All scientists knew about glia was that if you put neurons in petri dish, you had to have glia, or neurons would die.
  • It's lunch time and she slides a petri dish aside to unpack a container of homemade soup.
  • Each is a petri dish parenthesized by ocean, fermenting its unique varietal of weirdness.
  • To demonstrate the device, they used it to grasp and maneuver tiny beads and clumps of cells in a petri dish.
  • Then one of them would forget to wash out a petri dish and voilà: penicillin.
  • Before sequencing was available at a reasonable price, microbes were identified by growing them in a petri dish.
  • It is something of a petri dish of contemporary gender issues.
British Dictionary definitions for petri dish

Petri dish

a shallow circular flat-bottomed dish, often with a fitting cover, used in laboratories, esp for producing cultures of microorganisms
Word Origin
C19: named after J. R. Petri (1852–1921), German bacteriologist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for petri dish

1892, named for German bacteriologist Julius Petri (1852-1922), who first devised it c.1887.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
petri dish in Medicine

petri dish pe·tri dish (pē'trē)
A shallow circular dish with a loose-fitting cover, used to culture bacteria or other microorganisms.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
petri dish in Science
petri dish
A shallow, circular dish with a loose cover, usually made of transparent glass or plastic and used to grow cultures of microorganisms. The petri dish is named after German bacteriologist Julius Richard Petri (1852-1921).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Word Value for petri

Scrabble Words With Friends

Nearby words for petri dish