resistor UK /ɹɪˈzɪstə/US /ɹɪˈzɪstɚ/ noun2 •One who resists, especially a person who fights against an occupying army. •An electric component that transmits current in direct proportion to the voltage across it.The resistor limits the current and prevents damage to the LED. […] It is possible to pick resistors and capacitors that will make the pitch higher than humans can hear. — 2021 formsresistors