The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
TRIODE
triode
(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
Source: WordNet® 3.1
Etymology
Noun
triode (plural triodes)
A thermionic valve containing an anode, a cathode, and a control grid; small changes to the charge on the grid control the flow from cathode to anode, which makes amplification possible.
Anagrams
• doiter, dotier, editor, rioted, tie rod, tierod
Source: Wiktionary
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Coffee Trivia
