Enter a clue or pattern or both:
The Clue
Piano soundboard, e.g. (9 letter answer)
The Answer
RESONATOR
Tags
Notes
The answer RESONATOR is so rare that it appears less than once every 2500 puzzles.
Definition
RESONATOR as a noun:
1. (resonator, cavity resonator, resonating chamber) = a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
2. (resonator, resonant circuit) = an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
3. any system that resonates