Pluto

noun

UK/ˈpluː.təʊ/

US/ˈpluː.t̬oʊ/

Definitions of Pluto noun

Singular
a dwarf planet located farther from the sun than Neptune, recognized as the second-largest dwarf planet in our solar system.
- Astronomers use telescopes to observe Pluto.
- Pluto was once considered the ninth planet of the solar system.
- There are many ongoing scientific studies about the surface composition and characteristics of Pluto.