Definition of nova

exculpate Definition: (verb) to free from blame or guilt. Petersons.com

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< Nov.

novaculite >

no·va    (nv) KEY  

NOUN:
pl. no·vae   (-v) KEY   or no·vas

A star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years.

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ETYMOLOGY:
New Latin (stlla) nova, new (star), nova, feminine of Latin novus, new; see newo- in Indo-European roots

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