verb
impregnate with thorium oxide to increase thermionic emission
• Derivationally related forms: ↑thorium
• Topics: ↑chemistry, ↑chemical science
• Hypernyms: ↑impregnate, ↑saturate
• Verb Frames:
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Somebody ——s something
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\\-ēˌāt\ transitive verb (-ed/-ing/-s)Etymology: thoria + -ate
: to impregnate (an electron-tube cathode) with thoria in order to increase the thermionic emission
Useful english dictionary. 2012.