| / English Dictionary |
SPECTROMETER
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer
Synonyms:
mass spectrometer; spectrometer
Classified under:
Nouns denoting man-made objects
Hypernyms ("spectrometer" is a kind of...):
prism spectroscope; spectroscope (an optical instrument for spectrographic analysis)
Hyponyms (each of the following is a kind of "spectrometer"):
mass spectrograph (a mass spectrometer that produces a graphical representation of the mass spectrum)
Derivation:
spectrometric (of or relating to or involving spectrometry)
Context examples:
A spectrometer that applies some form of energy to a substance, thereby causing emission of electromagnetic radiation which is then quantified using a detector.
(Emission Spectrometer, NCI Thesaurus)
Samples from 3 people per tissue type were processed through several steps, and then the protein fragments (peptides) were analyzed on high-resolution Fourier-transform mass spectrometers.
(Revealing the human proteome, NIH)
The mix of minerals identified from the spectrometer data, including serpentine, talc and carbonate, and the shape and texture of the thick bedrock layers, led to identifying possible seafloor hydrothermal deposits.
(Mars Study Yields Clues to Possible Cradle of Life, NASA)
Galileo carried an infrared spectrometer, an instrument scientists use to examine the composition of a surface they're studying.
(Table Salt Compound Spotted on Europa, NASA)
In one crater that is partially sunlit, Dawn's infrared mapping spectrometer confirmed the presence of ice.
(Where is the Ice on Ceres?, NASA)
Testing the device using a spectrometer or spectrograph for the dispersion of visible light (includes electromagnetic, electron, and acoustic spectroscopy).
(Device Spectroscopy Evaluation Method, Food and Drug Administration)
The relaxation rate of the net nuclear spin polarization in the direction of the magnetic field of a spectrometer back to its equilibrium value.
(Longitudinal Relaxation Rate, NCI Thesaurus)
Example methods include: weighing, use of a mass spectrometer, use of an ion sensitive electrode, and examination using a microscope.
(Method, LOINC Axis 6, NCI Thesaurus)
During the flyby, Cassini's cameras and spectrometers will get a high-resolution peek at Dione's north pole at a resolution of only a few feet (or meters).
(Cassini to Make Last Close Flyby of Saturn Moon Dione, NASA)
The scientists used the CDA's mass spectrometer measurements to determine the composition of organic material in the grains.
(New Organic Compounds Found in Enceladus Ice Grains, NASA)
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