| Answer | Crossword Clue |
|---|---|
| tripped | to release suddenly, as a switch |
| trips | to release suddenly, as a switch |
| trip | to release suddenly, as a switch |
| shunter | switch (as a train) from one track to another |
| shunters | switch (as a train) from one track to another |
| throwing | Move (a switch or lever) so as to operate a device |
| thrower | move (a lever) so as to connect or disconnect parts of a clutch or switch |
| cryotron | cryogenic device that uses the principle that a varying magnetic field can cause the resistance of a superconducting element to change rapidly between its high normal and low superconductive values: used as a switch and as a computer-memory element |
