Dictionary

Neptune

noun Nep·tune \ˈnep-ˌtün, -ˌtyün\

: the planet that is eighth in order from the sun

Full Definition of NEPTUNE

1
a :  the Roman god of the sea — compare poseidon
b :  ocean
2
:  the planet eighth in order from the sun — see planet table
Nep·tu·ni·an \nep-ˈtü-nē-ən, -ˈtyü-\ adjective

Examples of NEPTUNE

  1. <sailors shipwrecked by the wild waves of Neptune>

Origin of NEPTUNE

Latin Neptunus
First Known Use: before 12th century
NEPTUNE Defined for Kids

Neptune

noun Nep·tune \ˈnep-ˌtün, -ˌtyün\

Definition of NEPTUNE for Kids

:  the planet that is eighth in order of distance from the sun and has a diameter of about 31,000 miles (50,000 kilometers)

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