The third-person singular simple present indicative form of restain is restains.
The present participle of restain is restaining.
The past participle of restain is restained.
Examples
Cytologic smears containing granulomas can be decolorized after initial examination and restained with AFB stain for mycobacteria and silver stain for fungal elements.
The skins are dried out, restained if necessary, and staked to raise a nap.
