Retr0bright

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A chemical mixture, mainly hydrogen peroxide, used to remove yellowing from ABS plastic computer and electronics cases. uncountable

    "Keep me busy this weekend! In between blowing power supplies and running all my cases through a bath of retr0bright! Hah!"

Verb
  1. 1
    To remove yellowing from ABS plastic computer or electronics cases via this method.

    "These are four different machines I've been restoring over time (cleaning, retrobrighting all the cases, new capacitors on cards and motherboards […]"

Example

More examples

"Keep me busy this weekend! In between blowing power supplies and running all my cases through a bath of retr0bright! Hah!"

Etymology

From retro- + bright with 0 for o as in leetspeak. See retrocomputing.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.