Ca·nos·sa 
(kə-nŏsə, kä-nōssä)
(kə-nŏsə, kä-nōssä) A village of north-central Italy in the Apennines. In January 1077 the Holy Roman emperor Henry IV did penance at the castle here to obtain a pardon from his excommunication by Pope Gregory VII.
- electron
- electron amplifier
- electron carrier
- electronegative
- electron gun
- electron hole
- electronic
- electronica
- electronically
- electronic fetal monitor
- electronic mail
- electronics
- electron lens
- electron micrograph
- electron microscope
- electron multiplier
- electron neutrino
- electron optics
- electron pair
- electron spin resonance
- electron transport
- electron tube
- electron volt
- electrophile
- electrophorese