| var. of electro- before a vowel: electrode. |
| a combining form representing electric or electricity in compound words: electromagnetic. |
| electr- pref. Variant of electro-. |
| electro- or electr- pref.
[New Latin ēlectro-, from Latin ēlectrum, amber; see electric.] |
electro- or electr-
pref.
Electricity; electric; electrically: electrocautery.
Electron: electronegative.