PROTOSTAR
Meaning of PROTOSTAR in English
transcription, транскрипция: [ ˈprō-tō-ˌstär ]
noun
Date: 1947
: a cloud of gas and dust in space believed to develop into a star
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003