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underdensity. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From under- + density.
Pronunciation
Noun
underdensity (plural underdensities)
- 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).