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单词 nova
释义

WordReference Random House Learner's Dictionary of American English © 2024
no•va /ˈnoʊvə/USA pronunciation   n. [countable], pl. -vas, -vae /-vi/.USA pronunciation  
  1. Astronomya star that suddenly becomes thousands of times brighter and then fades to its original brightness.
See -nov-.
WordReference Random House Unabridged Dictionary of American English © 2024
no•va  (nōvə),USA pronunciation n., pl. -vas, -vae (-vē).USA pronunciation [Astron.]
  1. Astronomya star that suddenly becomes thousands of times brighter and then gradually fades to its original intensity. Cf. supernova. 
  • Neo-Latin: noun, nominal use of feminine of Latin novus new
  • 1680–90
nova•like′, adj. 

No•va  (nōvə),USA pronunciation n. 
  1. FoodAlso called Nova Salmon. a Pacific salmon cured in the style of Nova Scotia salmon.
  2. Food(l.c.) (loosely) any smoked salmon. Cf. Nova Scotia salmon. 

Collins Concise English Dictionary © HarperCollins Publishers::
nova /ˈnəʊvə/ n ( pl -vae / -viː/, -vas)
  1. a variable star that undergoes a cataclysmic eruption, observed as a sudden large increase in brightness with a subsequent decline over months or years; it is a close binary system with one component a white dwarf
Etymology: 19th Century: New Latin nova (stella) new (star), from Latin novus new
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