# core memory

> English word · Noun

## Definitions
1. A type of non-volatile random-access rewritable electronic memory using ferrite cores to magnetically store binary digits (bits).
2. A memory, especially one formed in childhood, which recalls a deeply significant event in one's life and can be remembered years later.

## Etymology
* (sense 1): From being a type of computer memory consisting of magnetic cores.
* (sense 2): Popularized by the Pixar film Inside Out (2015), in which the character Riley has five "core memories", each forming the foundation of a "personality island" which represents an aspect of Riley's personality.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/core-memory