Dictionary.com
Thesaurus.com

young stellar object

American  

noun

young stellar objects plural

  1. Astronomy. a developing star that is further along its evolution than a protostar, but has not yet reached the main sequence.

young stellar object Scientific  

  1. A protostar in which the dust and gas have collapsed into a sufficiently massive body for fusion to begin. The characteristic trait of young stellar objects is the presence of jet outflows—either of molecular gas or of radioactive emissions—that interact with the interstellar medium out of which the star has just been born.

  2. See more at protostar

Other Word Forms

Noun Inflected Forms

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "young stellar object" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com