Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Nearby Words

Neptunian

 - 2 dictionary results

Nep⋅tu⋅ni⋅an

  [nep-too-nee-uhn, -tyoo-]
Use Neptunian in a Sentence
–adjective
1. pertaining to Neptune or the sea.
2. pertaining to the planet Neptune.
3. (often lowercase) Geology. formed by the action of water.
Origin:
1650–60; Neptune + -ian
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To Neptunian
Nep·tune   (něp'tōōn', -tyōōn')   
n.  

    1. Roman Mythology The god of water, later identified with the Greek Poseidon.

    2. The sea.

  2. The eighth planet from the sun, having a sidereal period of revolution around the sun of 164.8 years at a mean distance of 4.5 billion kilometers (2.8 billion miles), a mean radius of 24,000 kilometers (15,000 miles), and a mass 17.2 times that of Earth.


[Latin Neptūnus.]
Nep·tu'ni·an (-tōō'nē-ən, -tyōō'-) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Search another word or see Neptunian on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way