dwarf star

Alternative forms

• dwarfstar

Etymology

From dwarf +‎ star. Compare West Frisian dwerchster (“dwarf star”), Dutch dwergster (“dwarf star”), German Zwergstern (“dwarf star”), Danish dværgstjerne (“dwarf star”), Swedish dvärgstjärna (“dwarf star”), Icelandic dvergstjarna (“dwarf star”).

Noun

dwarf star (plural dwarf stars)

1. (astronomy) A star that is located in the main sequence in the Hertzsprung-Russell diagram, though generally excluding the small minority which fall in the blue band due to their large size and high luminosity; fuses hydrogen into helium in its core.

See also

• giant star
• subdwarf