Dictionary.com

protogalaxy

[ proh-toh-gal-uhk-see, proh-toh-gal- ]
/ ˌproʊ toʊˈgæl ək si, ˈproʊ toʊˌgæl- /
Save This Word!

noun, plural pro·to·gal·ax·ies.Astronomy.

the large concentration of gas and dust from which a galaxy is formed.

QUIZZES

QUIZ YOURSELF ON THE 12 TYPES OF VERB TENSES!

Loosen up your grammar muscles because it’s time to test your knowledge on verb tenses!
Question 1 of 6
The verb tenses can be split into which 3 primary categories?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of protogalaxy

First recorded in 1945–50; proto- + galaxy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for protogalaxy

protogalaxy
/ (ˌprəʊtəʊˈɡæləksɪ) /

noun plural -axies

a cloud of gas in the early stages of its evolution into a galaxy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK