protostar

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Etymology[edit]

From proto- +‎ star. Compare later protostellar.

Pronunciation[edit]

Noun[edit]

protostar (plural protostars)

  1. (astronomy) A collection of gas and dust in space with high temperature that usually grows to the point of beginning nuclear fusion and becoming a star.
    Synonym: infant star

Translations[edit]