The most common and most likely answer to this crossword clue is the 6 letter word TRIODE which also is the latest solution we found used in New York Times in 2018.
Old vacuum tube crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| TRIODE | 100 % | 6 |
Words with a meaning similar to the clue: Old vacuum tube
These words may or may not be a possible solution to this crosswords clue.- triode
- diode
- crt
- straw
- plate
- ray
- valve
- dropper
- anode
- suck
- rectifier
- crookes tube
Crossword Answer definitions
TRIODE noun- 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.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution