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
Recent Examples on the Web
Researchers from Weill Cornell Medicine used positron emission tomography (PET) imaging to analyze estrogen activity in the brain.
—
Jennifer Chesak, Verywell Health, 17 July 2024
Typically, people will either get a positron emission technology (PET) scan of the brain or a spinal fluid test to look for evidence of amyloid.
—Lisa Rapaport, EverydayHealth.com, 9 July 2024
Participants had to have buildup in their brains of the protein tau, considered a marker of disease stage, which can be detected in positron emission tomography (PET) scans.
—science.org, 3 July 2024
The study showed that amyloid levels, as measured by positron emission tomography (PET) scans, were notably higher in individuals with maternal memory issues compared to those with just paternal issues or no family history at all.
—Sandra Rose Salathe, Flow Space, 26 June 2024
See all Example Sentences for positron 
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Jennifer Chesak, Verywell Health, 17 July 2024
Typically, people will either get a positron emission technology (PET) scan of the brain or a spinal fluid test to look for evidence of amyloid.
—Lisa Rapaport, EverydayHealth.com, 9 July 2024
Participants had to have buildup in their brains of the protein tau, considered a marker of disease stage, which can be detected in positron emission tomography (PET) scans.
—science.org, 3 July 2024
The study showed that amyloid levels, as measured by positron emission tomography (PET) scans, were notably higher in individuals with maternal memory issues compared to those with just paternal issues or no family history at all.
—Sandra Rose Salathe, Flow Space, 26 June 2024
See all Example Sentences for positron
Dictionary Entries Near positron
Cite this Entry
“Positron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/positron. Accessed 5 Nov. 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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