Lrn

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of luminous red nova: an astronomical event, believed to be a type of stellar explosion, intermediate in power between a nova and a supernova, and such that as the explosive debris expands it reddens and cools, unlike a nova or supernova, in which thinning explosive debris exposes hotter interior layers. abbreviation, alt-of, initialism

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.