The most common and most likely answer to this crossword clue is the 7 letter word TRIODES which also is the latest solution we found used in Universal uClick in 2000.
Vacuum tubes containing three elements crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| TRIODES | 100 % | 7 | 
Words with a meaning similar to the clue: Vacuum tubes containing three elements
These words may or may not be a possible solution to this crosswords clue.- triode
 - drone
 - droning
 - camera
 - ternary
 - space
 - pentode
 - fistulous
 - triangle
 - pipe
 - ray
 - pipes
 
Crossword Answer definitions
TRIODES 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