underdensity

English

Etymology

under- +‎ density

Noun

underdensity (plural underdensities)

  1. The condition or extent of being underdense.
    • 2015, Stephanie Tonnesen, Renyue Cen, “Don't Forget the Forest for the Trees: The Stellar-Mass Halo-Mass Relation in Different Environments”, in arXiv‎:
      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).
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