resonator

nouns

a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
cavity resonator, resonating chamber, resonator
is derived from
resonate
an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude
resonant circuit, resonator
any system that resonates
resonator
is derived from
resonate
is a type of (narrower)
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
"he bought a new stereo system"; "the system consists of a motor and a small computer"
system