con·​fo·​cal | \ (ˌ)kän-ˈfō-kəl How to pronounce confocal (audio) \

Definition of confocal

: having the same foci confocal ellipses confocal lenses

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Other Words from confocal

confocally \ (ˌ)kän-​ˈfō-​kə-​lē How to pronounce confocal (audio) \ adverb

Examples of confocal in a Sentence

Recent Examples on the Web In confocal microscopy the focal plane is imaged with a single, intense point of light, centered between two cones of light that flood the rest of the sample. Jen Christiansen, Scientific American, "No-Kill, High-Resolution 3-D Movies of Cells Now Possible," 21 May 2013 First, the team used confocal microscopy to take high-resolution images of selected regions on the fragments. Jennifer Ouellette, Ars Technica, "NIST digitized the bullets that killed JFK," 30 Dec. 2019 Researchers at Pablo de Olavide University in Spain created this time lapse of a developing fruit fly larva under a confocal microscope, each cell illuminated by a fluorescent protein. Scientific American, "Test Pilot Geese, Planetary Wrecking Balls and Super AI Vision: The Week’s Best Science GIFs," 6 Sep. 2019 The photo was taken by Harvard University’s Dr. Tessa Montague with a confocal microscope, an instrument that allows researchers to use fluorescent molecules to visualize cellular structures. Daniela Hernandez, WSJ, "From Tears to Spider Embryos: Photos Reveal World’s Microscopic Wonders," 12 Oct. 2018 Compare these pyramidal cells, photographed through a confocal microscope, to Cajal’s drawing of a single one. Sharon Begley, STAT, "In ‘Beautiful Brain,’ the secrets of neurons emerge in Nobel-winning scientist’s ink and pencil drawings," 3 May 2018 View Sample Sign Up Now The bubble wrap-like network only became visible when the pathologists used a new laser endoscope, called a confocal laser endomicroscope, that allowed them to see microscopic tissues in living people. Alice Park, Time, "Scientists Have Discovered a New Organ in the Human Body. What is the Interstitium?," 27 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'confocal.' 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 confocal

1867, in the meaning defined above

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Time Traveler for confocal

Time Traveler

The first known use of confocal was in 1867

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Cite this Entry

“Confocal.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for confocal


con·​fo·​cal | \ (ˈ)kän-ˈfō-kəl How to pronounce confocal (audio) \

Medical Definition of confocal

: having the same foci confocal lenses

Other Words from confocal

confocally \ -​kə-​lē How to pronounce confocal (audio) \ adverb

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