MASS SPECTROMETER

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does mass spectrometer mean? 

• MASS SPECTROMETER (noun)
  The noun MASS SPECTROMETER has 1 sense:

1. spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer

  Familiarity information: MASS SPECTROMETER used as a noun is very rare.

 Dictionary entry details 

• MASS SPECTROMETER (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

Classified under:

Nouns denoting man-made objects

Synonyms:

mass spectrometer; spectrometer

Hypernyms ("mass spectrometer" is a kind of...):

prism spectroscope; spectroscope (an optical instrument for spectrographic analysis)

Hyponyms (each of the following is a kind of "mass spectrometer"):

mass spectrograph (a mass spectrometer that produces a graphical representation of the mass spectrum)

 Context examples 

The resulting ions are separated and analyzed using a mass spectrometer.

(Inductively-Coupled Plasma Mass Spectrometry, NCI Thesaurus)

An instrument called the mass spectrometer then analyzes the water with the molecules to determine whether cancer is present in the tissue.

(New Invention Detects Cancer in Seconds, VOA/Elizabeth Lee)

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)

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)

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)

Hin's team analyzed rocks from Earth using a mass spectrometer, and compared their chemical ingredients with off-world sources: meteorite chondrites (space rocks) plus samples from Mars and the asteroid Vesta.

(Fiery Collisions That Gave Birth to Earth Could Have Evaporated 40% of Our World, The Titi Tudorancea Bulletin)

A set of three pairs of oppositely charged rods that are used in a mass spectrometer to filter out ions by focusing them in the center of the set of poles so that the radio frequency wave passed along the rods can propagate the ions from one end of the rods to the other.

(Hexapole, NCI Thesaurus)