omegatron

(from the article `mass spectrometry`) ...and magnetic fields so that ions can be held in stable orbits for a period of time long enough to perform useful measurements on them. Two forms ...
Found on http://www.britannica.com/eb/a-z/o/17

omegatron

omegatron In electronics, an instrument that photographs and identifies any radioactive gases that remain after an evacuation.
Found on http://www.wordinfo.info/words/index/info/view_unit/1466/
No exact match found