protosun

noun

pro·​to·​sun

¦prōtō+

: protostar

especially : the gaseous cloud that underwent gravitational collapse to form the sun

Word History

Etymology

prot- + sun entry 1

First Known Use

1949, in the meaning defined above

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Rhymes for protosun

• formosan
• mnemosyne
• bosun
• oxytocin
• streptozotocin