Day-Glo
/ˈdeɪɡləʊ
/(also dayglo)
noun [mass noun] trademark
A fluorescent paint or other colouring.This figure, too, is rendered in black silhouette on Day-Glo....
- We had to go back and cut out the Day-Glo, then reapply it in the places where it worked.
- Fluorescent materials (like Day-Glo paint) only glow when excited by the ultraviolet light.
adjective
Very bright or fluorescent in colour: their clothing was marked with Day-Glo panels...
- The walls have all been painted brown, I notice, and the bedroom doors are coloured an acutely mind-expanding Day-Glo orange.
- Have you still got that Day-Glo green Lycra dress?
- The Day-Glo cap he's loaned me is too big.
Origin
1950s: blend of day and glow.