underdensity

U1N1D2E1R1D2E1N1S1I1T1Y4

noun

The condition or extent of being underdense.

Scrabble 17
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noununderdensity (plural underdensities)

plural underdensities

  1. The condition or extent of being underdense.

    In this paper we use high-resolution hydrodynamical cosmological simulations to compare the halo and stellar mass growth of galaxies in a large-scale overdensity to those in a large-scale underdensity (on scales of about 20 Mpc).

    2015, Stephanie Tonnesen, Renyue Cen, “Don't Forget the Forest for the Trees: The Stellar-Mass Halo-Mass Relation in Different Environments”, in arXiv

Origin

From under- + density.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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