Pluto

Pronunciation: /ˈpluːtoʊ/

Definitions of Pluto

noun Pluto

Example Sentences

A1 Pluto is the ninth planet in our solar system.

A2 Many astronomers believe that Pluto should be classified as a dwarf planet.

B1 Pluto was discovered in 1930 by astronomer Clyde Tombaugh.

B2 The New Horizons spacecraft provided valuable data about the surface of Pluto.

C1 Pluto's orbit is highly elliptical, causing it to sometimes be closer to the sun than Neptune.

C2 The debate over Pluto's classification as a planet or dwarf planet continues among the scientific community.

Examples of Pluto in a Sentence

formal Pluto is considered a dwarf planet in our solar system.

informal I heard that some scientists still debate whether Pluto should be classified as a planet.

slang Pluto got demoted from being a planet, that's so unfair!

figurative In the vastness of space, Pluto is like the small kid trying to keep up with the big planets.

Grammatical Forms of Pluto

• past tense: Plutoed
• plural: Plutos
• comparative: more Pluto
• superlative: most Pluto
• present tense: Plutos
• future tense: will Pluto
• perfect tense: have Plutoed
• continuous tense: is Plutoing
• singular: Pluto
• positive degree: Pluto
• infinitive: to Pluto
• gerund: Plutoing
• participle: Plutoed

Origin and Evolution of Pluto

First Known Use: 1930 year

Language of Origin: Latin

Story behind the word: The word 'Pluto' originates from the Latin language.

Evolution of the word: Originally used to refer to the Roman god of the underworld, Pluto later became associated with the ninth planet in our solar system. However, in 2006, Pluto was reclassified as a 'dwarf planet' by the International Astronomical Union, leading to a shift in its usage and meaning.