English dictionary
nova
/'n/oU/v/@/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a star that ejects some of its material in the form of a cloud and become more luminous in the process
Source: WordNet 3.0
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A new star, usually appearing suddenly, shining for a brief period, and then sinking into obscurity. Such appearances are supposed to result from cosmic collisions, as of a dark star with interstellar nebulosities.
Source: webster1913