imager

noun

im·ag·er ˈi-mi-jər

plural imagers

: one that produces an image: such as

: any of various machines (such as a CT scanner or X-ray machine) used to produce diagnostic images of a living body

… we believe that our state-of-the-art NMR imager is more sensitive than our state-of-the-art CT scanner in the evaluation of these diseases. Thus, to exclude suspected disease, NMR is the preferred modality.—

William G. Bradley, Jr.

: an instrument that combines the functions of detection and image production to generate graphic output of extremely high quality for scientific or technical study

The payload includes a descent imager to characterize the landing site's geological context, a stereo imager for high-resolution mapping of the surroundings, a gas analyzer, and an environmental survey package.—

Robert Burnham

The imager can measure two- and three-dimensional beam-intensity distributions, and it can transfer data to a computer via a video frame grabber.—

Physics Today

Examples of imager in a Sentence

Recent Examples on the Web

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.

In order for the infrared imagers to work—measuring the red-shift of galaxies in the expanding cosmos—the telescope has to be shielded from stray heat, since that would wash out a thermal image the same way stray light would ruin an optical one. —

Jeffrey Kluger/greenbelt, TIME, 8 Feb. 2025 Its science instruments are a light ion analyzer, a magnetometer, a soft X-ray imager and an ultraviolet aurora imager. —

Andrew Jones, Space.com, 22 Jan. 2025 The image, captured and shared on the same day of the launch, shows the top deck of the lander, along with its antenna and NASA's X-ray imager intended for use on the lunar surface. —

Eric Lagatta, USA TODAY, 21 Jan. 2025 However, a Doppler imager onboard would be needed to measure the planet's vibrations because a layered planet would vibrate at different frequencies, according to Militzere. —

Jamie Carter, Forbes, 25 Nov. 2024 See all Example Sentences for imager

Word History

Etymology

Middle English ymageoure, ymager "one who makes images, sculptor," in part from imagen "to image entry 2" + -eoure, -er -er entry 2, in part borrowed from Middle French imagier, ymageur, derivatives of ymagier "to picture, imagine"

First Known Use

15th century, in the meaning defined above

Time Traveler

The first known use of imager was in the 15th century

See more words from the same century