protostar Definition
proto·star (prōt′ō stär′)
noun
in some cosmological theories, any of the millions of swirling clouds of dust and hydrogen gas that form within a protogalaxy and eventually evolve into thermonuclear stars
protostar Usage Examples
Converse of object
- form: The center of this fragmented gas cloud evolves quickly ( over the next 100,000 years ) to form a protostar.
- call: The object that is formed at the center of the collapsing cloud and which will become a star is called a protostar.
Adjective modifier
low: Both high and low mass protostars often possess powerful jets and outflows.
Browse dictionary entries near protostar
- ‹ protoplast
- ‹ protoplasm
- ‹ protoplanet
- ‹ protopathic
- ‹ protonymph
- ‹ protonotary
- ‹ protonephridium
- ‹ protonema
- ‹ proton synchrotron
- ‹ proton
- protostele ›
- prototrophic ›
- prototype ›
- protoxide ›
- protoxylem ›
- protozoan ›
- protozoology ›
- protract ›
- protractile ›
- protractor ›

