A potentially misleading term that refers to stars of luminosity class V, that is main sequence stars. Not to be confused with 'white dwarfs'.
The remnant core of a sun-like star, which is extremely small, hot and dense
A normal main sequence star like the Sun that is burning hydrogen in nuclear reactions in its core. The brightest dwarf stars can be much larger than the Sun. See also Giant star, Supergiant star.
A star, which lies on the main sequence and is too small to be classified as a giant star or a supergiant star. For example, the Sun is a yellow dwarf star.
Dwarf stars are relatively small stars, up to 20 times larger than our sun and up to 20,000 times brighter. Our sun is a dwarf star.