Word Study
supernova
OXFORD DICTIONARY
supernova, n. (pl. -novae or -novas) Astron. a star that suddenly increases very greatly in brightness because of an explosion ejecting most of its mass.
THESAURUS
supernova
Beehive, Cepheid variable, Hertzsprung-Russell diagram, Hyades, Messier catalog, NGC, Pleiades, Seven Sisters, absolute magnitude, binary star, black hole, double star, dwarf star, fixed star, giant star, globular cluster, gravity star, magnitude, main sequence star, mass-luminosity law, neutron star, nova, open cluster, populations, pulsar, quasar, quasi-stellar radio source, radio star, red giant star, relative magnitude, sky atlas, spectrum-luminosity diagram, star, star catalog, star chart, star cloud, star cluster, stellar magnitude, variable star, white dwarf starFor further exploring for "supernova" in Webster Dictionary Online