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Nep·tune | \ ˈnep-ˌtün 
, -ˌtyün \
, -ˌtyün \Definition of Neptune
2 : the planet eighth in order from the sun — see Planets Table
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Other Words from Neptune
Neptunian \ nep-ˈtü-nē-ən , -ˈtyü- \ adjective
, -ˈtyü- \ adjective
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More Definitions for Neptune
Neptune
nounEnglish Language Learners Definition of Neptune
: the planet that is eighth in order from the sun
See the full definition for Neptune in the English Language Learners Dictionary
Neptune
nounNep·tune | \ ˈnep-ˌtün , -ˌtyün \
, -ˌtyün \Kids Definition of Neptune
: 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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The first known use of Neptune was before the 12th century
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