dosimeter
noun
do·sim·e·ter
dō-ˈsi-mə-tər 
: an instrument for measuring and monitoring exposure to doses of radiation (such as X-rays or gamma rays)
Her team used a mathematical model and dosimeter readings to estimate neighborhood radiation exposures for the nearly 160,000 people living within a 10-mile radius of the plant.—
Rick Weiss
see dosimetry
Rick WeissExamples of dosimeter in a Sentence
Recent Examples on the Web
But the dosimeters mounted to walls and clipped to Hanford workers’ badges are constant reminders of the region’s toxic legacy.
—IEEE Spectrum, 29 Apr. 2020
But the European Space Agency contributed five mobile dosimeters to measure radiation throughout the Orion spacecraft.
—Ashley Strickland, CNN, 19 Sep. 2024
The numbers were climbing on a radiation dosimeter as the minibus carried me deeper into the complex.
—Tim Hornyak, The Atlantic, 6 Sep. 2023
Lost equipment included nearly 700 computers, 350 vehicles and 1,500 dosimeters, totaling $135 million.
—Sébastien Roblin, Popular Mechanics, 3 May 2023
Around 30 Iridium satellites — which typically beam voice and data communications down to Earth — also host dosimeters that measure radiation in low Earth orbit under the REACH program, a collaboration between the United States Air Force and scientists.
—Lyndie Chiou, New York Times, 17 Apr. 2023
One of the earliest examples of using sound to represent data is the dosimeter, or Geiger counter.
—Los Angeles Times, 3 Feb. 2023
He was handed a dosimeter, the device used to measure [ionizing] radiation, and used it to measure the levels in tap water.
—Jennifer Nalewicki, Smithsonian Magazine, 27 Apr. 2021
Radiation levels around her house are around 20 times the background level in Tokyo, according to a dosimeter reading carried out by Reuters.
—Reuters, ABC News, 11 Mar. 2021
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
IEEE Spectrum, 29 Apr. 2020
But the European Space Agency contributed five mobile dosimeters to measure radiation throughout the Orion spacecraft.
—Ashley Strickland, CNN, 19 Sep. 2024
The numbers were climbing on a radiation dosimeter as the minibus carried me deeper into the complex.
—Tim Hornyak, The Atlantic, 6 Sep. 2023
Lost equipment included nearly 700 computers, 350 vehicles and 1,500 dosimeters, totaling $135 million.
—Sébastien Roblin, Popular Mechanics, 3 May 2023
Around 30 Iridium satellites — which typically beam voice and data communications down to Earth — also host dosimeters that measure radiation in low Earth orbit under the REACH program, a collaboration between the United States Air Force and scientists.
—Lyndie Chiou, New York Times, 17 Apr. 2023
One of the earliest examples of using sound to represent data is the dosimeter, or Geiger counter.
—Los Angeles Times, 3 Feb. 2023
He was handed a dosimeter, the device used to measure [ionizing] radiation, and used it to measure the levels in tap water.
—Jennifer Nalewicki, Smithsonian Magazine, 27 Apr. 2021
Radiation levels around her house are around 20 times the background level in Tokyo, according to a dosimeter reading carried out by Reuters.
—Reuters, ABC News, 11 Mar. 2021
Cite this Entry
“Dosimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dosimeter. Accessed 15 Jul. 2025.
Copy CitationKids Definition
dosimeter
noun
do·sim·e·ter
dō-ˈsim-ət-ər
: an instrument for measuring doses of X-rays or of radioactivity
Medical Definition
dosimeter
noun
do·sim·e·ter
dō-ˈsim-ət-ər
variants
also dosemeter
: an instrument for measuring and monitoring exposure to doses of radiation (as X-rays or gamma rays)
To estimate typical exposures, the researchers are now correlating specific job tasks with individual exposure levels, using data from hundreds of dosimeters worn by workers.—Carol Ezzell, Science News
see dosimetry
Carol Ezzell, Science NewsLove words? Need even more definitions?
Merriam-Webster unabridged
Share