Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A star, such as the sun, having relatively low mass, small size, and average or below average luminosity.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A star that is located in the
main sequence in theHertzsprung-Russell diagram ; fuses hydrogen into helium in its core.
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