pentode
(noun) a thermionic tube having five electrodes
Source: WordNet® 3.1
pentode (plural pentodes)
a thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid; was/is used in high quality audio and radio products
• vacuum tube
• output pentode
• RF pentode
• cathode
• control grid (g1)
• screen grid (g2)
• suppressor grid (g3)
• anode (also called: plate)
Source: Wiktionary
23 February 2025
(noun) an advantageous purchase; “she got a bargain at the auction”; “the stock was a real buy at that price”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
