Mereology

//ˌmɪəɹiˈɒləd͡ʒi// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The discipline which deals with the relationship of parts with their respective wholes. countable, uncountable

    "2001, Lech Polkowski, Spatial Reasoning via Rough Sets, Wojciech Ziarko, Yiyu Yao (editors), Rough Sets and Current Trends in Computing: 2nd International Conference RSCTC 2000, Revised Papers, Springer, LNAI 2005, page 479, In [13] a new paradigm for approximate reasoning, rough mereology, has been introduced. Rough mereology is based on the notion of a part to a degree and thus falls in the province of part–based mereologies."

Example

More examples

"2001, Lech Polkowski, Spatial Reasoning via Rough Sets, Wojciech Ziarko, Yiyu Yao (editors), Rough Sets and Current Trends in Computing: 2nd International Conference RSCTC 2000, Revised Papers, Springer, LNAI 2005, page 479, In [13] a new paradigm for approximate reasoning, rough mereology, has been introduced. Rough mereology is based on the notion of a part to a degree and thus falls in the province of part–based mereologies."

Etymology

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

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