coatom

C3O1A1T1O1M3

noun

In a partially ordered set, a non-unit element that has no element above it other than the unit (assuming that the poset has a top element, its "unit").

“In a Boolean lattice, the complement of an atom is a coatom.”

Opposite
atom
Scrabble 10
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Meanings

nouncoatom (plural coatoms)

plural coatoms

  1. mathematicsIn a partially ordered set, a non-unit element that has no element above it other than the unit (assuming that the poset has a top element, its "unit").

    In a Boolean lattice, the complement of an atom is a coatom.

Synonyms & antonyms

Opposite
atom
Cite this entry
APA

coatom. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/coatom

MLA

“coatom.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coatom. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “coatom,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/coatom.

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