mereological

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/ˌmɪəɹiəˈlɒd͡ʒɪkəl/

adjective

Of or pertaining to mereology, a collection of axiomatic first-order theories dealing with parts and their respective wholes.

“Join is a mereological relation which can be interpreted as union set-theoretically.”

OriginProto-Indo-European *h₂élisder.? ← English mereology →
Scrabble 17
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Meanings

adjectivemereological (not comparable)
  1. not comparablehuman sciencesOf or pertaining to mereology, a collection of axiomatic first-order theories dealing with parts and their respective wholes.

    Join is a mereological relation which can be interpreted as union set-theoretically.

    1 more example

    I think that theories like mereological nihilism are interesting in the way that epistemological skepticism is interesting, the main question for both being how do we avoid this?

    2008 August 13, Jonathan Schaffer, “Truthmaker commitments”, in Philosophical Studies, volume 141, number 1, →DOI

Origin

  1. Englishmereology
  2. Proto-Indo-European*h₂el-
  3. Proto-Indo-European*h₂élisder.?
  4. Englishmereological

From mereology + -ical.

Full word history & related roots →
Cite this entry
APA

mereological. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mereological

MLA

“mereological.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mereological. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mereological,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mereological.

Source: mereological on Wiktionary, CC BY-SA 4.0.