fluoresce

Back-formation from fluorescence.

• Rhymes: -ɛs

fluoresce (third-person singular simple present fluoresces, present participle fluorescing, simple past and past participle fluoresced)

1. (intransitive, physics) To emit electromagnetic radiation, especially visible light, when absorbing radiation of some other wavelength.
2. (intransitive, of colours) to be very bright, easy to see, dayglo.

• fluorescence
• fluorescent
• fluorescer
• fluorescently