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Jenner

American  
[jen-er] / ˈdʒɛn ər /

noun

  1. Edward, 1749–1823, English physician: discoverer of smallpox vaccine.

  2. Sir William, 1815–98, English physician and pathologist.


Jenner British  
/ ˈdʒɛnə /

noun

  1. Edward 1749–1823, English physician, who discovered vaccination by showing that injections of cowpox virus produce immunity against smallpox (1796)

  2. Sir William. 1815–98, English physician and pathologist, who differentiated between typhus and typhoid fevers (1849)

"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

Jenner Scientific  
/ jĕnər /
  1. British physician who pioneered the practice of vaccination. His experiments proved that individuals who had been inoculated with the virus that caused cowpox, a mild skin disease of cattle, became immune to smallpox. Jenner's discovery laid the foundations for the science of immunology.


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.

See Examples For:

Matières Fécales — literally French for “fecal matter” — has gone from an intentionally provocative outsider project to dressing some of the world’s biggest celebrities, including Zendaya, Lady Gaga, Demi Moore and Kylie Jenner.

From Salon Aug. 9, 2026

Jenner hates the paparazzi for invading her privacy but sees no moral quandary in collecting a check from Mark Zuckerberg, who wants to invade everyone’s privacy.

From Slate Aug. 5, 2026

Politicians are now asking how Britain - the country of Edward Jenner, the "father of immunology" - could have allowed its immunisation rates to drop so low, and what could fix it.

From BBC Aug. 3, 2026

But when asked by Jenner & Block to participate in the investigation, Poggi declined.

From The Wall Street Journal Jul. 30, 2026

“Now that Jenner and his friends are gone, we have seven empty.”

From "Mrs. Frisby and the Rats of NIMH" by Robert C. O'Brien

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