underdensity
nounEtymology From under- + density.
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: