t 1 r 1 i 1 o 1 d 2 e 1
6 letters · 7 points in Scrabble
Meaning
noun a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible
originEtymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri-der. English tri- Proto-Indo-European *sed-der. Proto-Indo-European *sodós? Proto-Hellenic *hodós Ancient Greek ὁδός (hodós)bor. English -ode English triode From tri- + -ode.
Etymology from Wiktionary, CC BY-SA 3.0