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Pluto
1 ENTRIES FOUND:
Pluto
(noun)
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Pluto
/
ˈ
pluːtoʊ/
noun
Pluto
/
ˈ
pluːtoʊ/
noun
Learner's definition of PLUTO
[
singular
]
:
the object in our solar system that in the past was thought to be the planet farthest from the sun but that is no longer considered to be a planet
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