| Answer | Crossword Clue |
|---|---|
| thermoelectron | an electron emitted at high temperature, such as one produced in a thermionic valve |
| Answer | Crossword Clue |
|---|---|
| thermoelectron | an electron emitted at high temperature, such as one produced in a thermionic valve |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.