Elisa
1 Americannoun
noun
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Medicine/Medical. a sensitive diagnostic test for past or current exposure to an infectious agent, as the AIDS virus: a sample of blood is added to proteins from the agent, and any antibodies that combine with the proteins, indicating a history of infection, are detected by adding a test antibody linked to an enzyme that causes a color change.
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Biology, Medicine/Medical. any similar test using proteins as a probe for the identification of antibodies or antigens.
acronym
Etymology
Origin of ELISA
e(nzyme-)l(inked) i(mmuno)s(orbent) a(ssay)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One snippet seems to be an episode on Elisa Lam, the real-life tourist found dead in the rooftop water tank of Los Angeles’ Cecil Hotel.
From Los Angeles Times • Mar. 11, 2026
Elisa said its services were rerouted and the damage did not impact customers.
From Barron's • Jan. 1, 2026
All 14 crew members were arrested after the cable owned by Finnish telecoms operator Elisa was damaged.
From BBC • Dec. 31, 2025
“They seem to be really focused on cash and on being cautious,” said Elisa Swern, partner and national consumer markets leader at PricewaterhouseCoopers Canada.
From The Wall Street Journal • Dec. 22, 2025
It was called a rapid Elisa test, and it was sensitive and easy to perform.
From "The Hot Zone" by Richard Preston
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.