| Answer | Crossword Clue |
|---|---|
| UHF | Designating a high-frequency current: Abbr. |
| electrosurgery | Surgery using a high-frequency electric current to heat and so cut tissue with great precision |
| coherers | a radio detector in which an imperfectly conducting contact between pieces of conductive material loosely resting against each other is materially improved in conductance by the passage of high-frequency current |
