# mereology

> English word · Noun · IPA /ˌmɪəɹiˈɒləd͡ʒi/

## Definitions
1. The discipline which deals with the relationship of parts with their respective wholes.

## Etymology
Coined by Stanisław Leśniewski in 1927, from Ancient Greek μέρος (méros, “part”) + -logy (“study, discussion, science”).

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