adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of a device, using a battery to maintain operation when not powered by the main electrical supply (e.g. during a blackout). not-comparable
2. 2
   Using a battery to maintain volatile memory when powered off. not-comparable
3. 3
   Of saved game data, written to a volatile memory chip in a video game cartridge to maintain the data when not in use. not-comparable

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