| Answer | Crossword Clue |
|---|---|
| overtones | OVERTONE, a higher partial tone |
| harmonic | an overtone (a higher partial tone) |
| harmonics | HARMONIC, an overtone (a higher partial tone) |
| overtone | a higher partial tone |
| harmonics | An overtone accompanying a fundamental tone at a fixed interval, produced by vibration of a string, column of air, etc., in an exact fraction of its length |
| tone | to give a higher or stronger tone to |
