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microprobe

Syllabification: mi·cro·probe
Pronunciation: /ˈmīkrəˌprōb
 
/

Definition of microprobe in English:

noun

Chemistry
An instrument in which a beam of electrons or other radiation is focused onto a minute area of a sample and the resulting secondary radiation (usually X-ray fluorescence) is analyzed to yield chemical information.
Example sentences
  • Until recently, ion microprobes could only analyze dozens of such sub-grains at one time and so were able to deduce only the average properties of a sample.
  • In view of these complexities, further U-Pb geochronology was carried out using the ion microprobe.
  • Pressure in the xylem elements, monitored with a pressure microprobe, changed from the initial pressure at the time of pressure step to the new steady pressure after some time.

Definition of microprobe in:

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