con·​fo·​cal | \(ˌ)kän-ˈfō-kəl \

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 \ adverb

Examples of confocal in a Sentence

Recent Examples on the Web

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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Last Updated

15 Nov 2018

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Time Traveler for confocal

The first known use of confocal was in 1867

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con·​fo·​cal | \(ˈ)kän-ˈfō-kəl \

Medical Definition of confocal 

: having the same foci confocal lenses

Other Words from confocal

confocally \-​kə-​lē \ adverb

More from Merriam-Webster on confocal

Rhyming Dictionary: Words that rhyme with confocal

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