alphatron

التعريفات والمعاني

== English == === Etymology === From alpha +‎ -tron. === Pronunciation === (Received Pronunciation) IPA(key): /ˈæl.fəˌtɹɒn/ (General American) IPA(key): /ˈæl.fəˌtɹɑn/ === Noun === alphatron (plural alphatrons) A kind of ionization tube for measuring vacuum.