spectrometer

noun
spec·​trom·​e·​ter | \ spek-ˈträ-mə-tər How to pronounce spectrometer (audio) \

Definition of spectrometer

1 : an instrument used for measuring wavelengths of light spectra
2 : any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to some property (such as mass or energy) of the emission and the amount of dispersion is measured nuclear magnetic resonance spectrometer

Keep scrolling for more

Other Words from spectrometer

spectrometric \ ˌspek-​trə-​ˈme-​trik How to pronounce spectrometer (audio) \ adjective
spectrometry \ spek-​ˈträ-​mə-​trē How to pronounce spectrometer (audio) \ noun

Examples of spectrometer in a Sentence

Recent Examples on the Web Using a scientific instrument called a high-resolution mass spectrometer, the researchers conducted a chemical comparison of stormwater runoff from highways and the water from streams with dying coho. Alex Fox, Smithsonian Magazine, "Researchers Reveal Why Seattle Salmon Bite the Dust After Rainstorms," 7 Dec. 2020 For the study, researchers used an instrument called a spectrometer to measure how closely the color of the plants matched their environment, according to the statement. Alex Fox, Smithsonian Magazine, "Medicinal Plant May Have Evolved Camouflage to Evade Humans," 24 Nov. 2020 And an imaging spectrometer, like that used by Chang’e-4 to detect rocks that may have come from the deep lunar mantle, will be used to analyze the composition of the landing site and search for water-containing minerals. Andrew Jones, Science, "China's new moon mission to return the first lunar samples since 1976," 23 Nov. 2020 Cassini's mass spectrometer detected a chemical signature of the same molecule, the researchers found. Ashley Strickland, CNN, "Unusual molecule found in atmosphere on Saturn's moon Titan," 28 Oct. 2020 The team could measure this aboard the aircraft with a device called a mass spectrometer, which calculates molecular weight. Matt Simon, Wired, "What Happens When You Fly a Science Plane Through Wildfire Smoke," 3 Nov. 2020 Claire measures methane using a device called an imaging spectrometer, which is essentially a camera that is sensitive to wavelengths of light invisible to humans. Paul Tullis, Popular Science, "New satellites can pinpoint methane leaks to help us beat climate change," 30 Oct. 2020 Using an accelerator mass spectrometer, researchers can readily measure the radiocarbon in a sample. Scott Hershberger, Scientific American, "How Do Scientists Determine the Ages of Human Ancestors, Fossilized Dinosaurs and Other Organisms?," 4 Aug. 2020 To find out how old the rocks were, colleagues in Australia used a mass spectrometer to analyze their chemical composition. Cathleen O’grady, Science | AAAS, "Precarious rocks help refine earthquake hazard in California," 1 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spectrometer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of spectrometer

1874, in the meaning defined at sense 1

History and Etymology for spectrometer

International Scientific Vocabulary

Keep scrolling for more

Learn More about spectrometer

Time Traveler for spectrometer

Time Traveler

The first known use of spectrometer was in 1874

See more words from the same year

Statistics for spectrometer

Cite this Entry

“Spectrometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectrometer. Accessed 25 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for spectrometer

spectrometer

noun
spec·​trom·​e·​ter | \ spek-ˈträm-ət-ər How to pronounce spectrometer (audio) \

Medical Definition of spectrometer

1 : an instrument used for measuring wavelengths of light spectra
2 : any of various analytical instruments in which an emission (as of particles or radiation) is dispersed according to some property (as mass or energy) of the emission and the amount of dispersion is measured nuclear magnetic resonance spectrometer

Other Words from spectrometer

spectrometric \ ˌspek-​trə-​ˈme-​trik How to pronounce spectrometer (audio) \ adjective
spectrometry \ spek-​ˈträm-​ə-​trē How to pronounce spectrometer (audio) \ noun, plural spectrometries

More from Merriam-Webster on spectrometer

Nglish: Translation of spectrometer for Spanish Speakers

Britannica.com: Encyclopedia article about spectrometer

Comments on spectrometer

What made you want to look up spectrometer? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!