long-term memory

long-term memory (uncountable)

1. (psychology) The stage of the Atkinson–Shiffrin memory model where informative knowledge is held indefinitely.

   Synonym: LTM

• short-term memory
• episodic memory
• procedural memory

• “long-term memory” (US) / “long-term memory” (UK) in Macmillan English Dictionary.
• “long-term memory”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.