heres a reference to your term
a capacitor for providing an alternating-current path of comparatively low impedance at the frequencies of disturbing currents down to the chassis ground

Reference Bernard J.Canceill,ingénieur-conseil en télécommunication,Paris,1994
(1)
TERM bypass capacitor

Reference Bernard J.Canceill,ingénieur-conseil en télécommunication,Paris,1994

Note {DOM} Electronics:Electric components and devices:Electric and magnetic passive circuitry
(2)
TERM decoupling capacitor

Reference Bernard J.Canceill,ingénieur-conseil en télécommunication,Paris,1994

Note {DOM} Electronics:Electric components and devices:Electric and magnetic passive circuitry



(1)
TERM condensador de desacoplo

Reference Alcatel

Note {DOM} Electrónica: Componentes y dispositivos electrónicos: Pasivos eléctricos y magnéticos