protogalactic

Variant of protogalaxy

protogalaxy definition

proto·gal·axy (prōt′ō gal′ək sē)

noun pl. protogalaxies -·ies

in some cosmological theories, a huge cloud of dust and hydrogen gas out of which millions of protostars are formed

Related Forms:

  • protogalactic pro′to·ga·lac′·tic (-gə lak′tik) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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