positron
noun
pos·i·tron
ˈpä-zə-ˌträn 
: a positively charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron
called also antielectron
Examples of positron in a Sentence
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Read More: Changing Your Diet and Lifestyle May Slow Down Alzheimer's
First, Lilly used a relatively new way to identify patients whose disease is most likely to progress, relying on a PET (positron emission tomography) brain scan for a protein called tau.
—
Alice Park, TIME, 11 June 2024
As a result of this process, known as beta decay, the nucleus also emits an electron or its antimatter partner, the positron.
—Paul Sutter, Ars Technica, 11 June 2024
Within each detector, two cones of tungsten would surround the beam pipe to screen out the electrons and positrons generated by decaying muons.
—Byadrian Cho, science.org, 28 Mar. 2024
However, the Cognito trial used a type of brain imaging called positron emission tomography, or PET, which detects dense amyloid plaques.
—Emily Mullin, WIRED, 6 Mar. 2024
See all Example Sentences for positron 
Alice Park, TIME, 11 June 2024
As a result of this process, known as beta decay, the nucleus also emits an electron or its antimatter partner, the positron.
—Paul Sutter, Ars Technica, 11 June 2024
Within each detector, two cones of tungsten would surround the beam pipe to screen out the electrons and positrons generated by decaying muons.
—Byadrian Cho, science.org, 28 Mar. 2024
However, the Cognito trial used a type of brain imaging called positron emission tomography, or PET, which detects dense amyloid plaques.
—Emily Mullin, WIRED, 6 Mar. 2024
See all Example Sentences for positron
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Cite this Entry
“Positron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/positron. Accessed 2 Jul. 2024.
Copy CitationKids Definition
positron
noun
pos·i·tron
ˈpäz-ə-ˌträn
: a positively charged particle having the same mass and size of charge as the electron
Medical Definition
positron
noun
pos·i·tron
ˈpäz-ə-ˌträn
: a positively charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron
called also positive electron
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