i Register
In some senses, electro is marked as obsolete, informal, archaic. Watch for register when choosing this word.
ADJ.
permanent
The dentist used an electro permanent magnet to remove the metal filling from my tooth.
VERB + ELECTRO
like, need
I really need to electro-plate this old silver fork to make it look brand new again.
ELECTRO + NOUN
he's
He's always been fascinated by electro music since he discovered it in the nineties.
ADV.
always
The band's sound was always electro, blending synthesizers with dance beats.