coarse-graining

noun

The rescaling of a phenomenon into units or cells of size close to the uncertainty of measurement.

Meanings

nouncoarse-graining (countable and uncountable, plural coarse-grainings)

plural coarse-grainings · alternative coarse graining

  1. countableuncountablesciencesThe rescaling of a phenomenon into units or cells of size close to the uncertainty of measurement.

    As human observers we focus almost entirely on coarse-grainings of this quasiclassical realm. However, quantum theory does not distinguish the classical realm from other decoherent sets...

    2005, James B. Hartle, “What Connects Different Interpretations of Quantum Mechanics?”, in Quo Vadis Quantum Mechanics?, →ISBN, page 75
Cite this entry
APA

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

MLA

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

Chicago

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

Source: coarse-graining on Wiktionary, CC BY-SA 4.0.