Definition of Neptune

1. Noun. (Roman mythology) god of the sea; counterpart of Greek Poseidon.

Category relationships: Roman Mythology
Generic synonyms: Roman Deity

2. Noun. A giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants. "The existence of Neptune was predicted from perturbations in the orbit of Uranus and it was then identified in 1846"
Generic synonyms: Gas Giant, Jovian Planet, Outer Planet, Superior Planet
Group relationships: Solar System

Definition of Neptune

1. n. The son of Saturn and Ops, the god of the waters, especially of the sea. He is represented as bearing a trident for a scepter.

Definition of Neptune

1. Proper noun. (Roman god) The god of the ocean and of earthquakes. ¹

2. Proper noun. The eighth planet in our solar system, represented in astronomy and astrology by ?. ¹

¹ Source:

Medical Definition of Neptune

1. 1. The son of Saturn and Ops, the god of the waters, especially of the sea. He is represented as bearing a trident for a scepter. 2. The remotest known planet of our system, discovered as a result of the computations of Leverrier, of Paris by Galle, of Berlin, September 23. Its mean distance from the sun is about 2,775,000,000 miles, and its period of revolution is about 164,78 years. Neptune powder, an explosive containing nitroglycerin, used in blasting. Neptune's cup, a very large, cup-shaped, marine sponge (Thalassema Neptuni). Origin: L. Neptunus. Source: Websters Dictionary (01 Mar 1998)

Neptune Pictures

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Lexicographical Neighbors of Neptune

neptune (current term)
nerd out

Literary usage of Neptune

Below you will find example usage of this term as found in modern and/or classical literature:

1. A List of Geographical Atlases in the Library of Congress: With by Clara Egli Le Gear, Philip Lee Phillips, Library of Congress Map Division (1920)
"Atlantic neptune c23; 4473 PORT I'A пк un. 1776. Atlantic neptune, с 23; ... Atlantic neptune с v3,no32; 4474 1792. Vancouver & Whidbey с 13; ..."

2. Other Worlds Than Ours: The Plurality of Worlds Studied Under the Light of by Richard Anthony Proctor (1905)
"But the distance separating Uranus from Saturn is twice as great even as this tremendous gap, while neptune travels as far beyond Uranus as ..."

3. Green Light!: Men of the 81st Troop Carrier Squadron Tell Their Story by Martin Wolfe (1989)
"Evaluating Second Thoughts About Operation neptune neptune worked From the point ... First, did Operation neptune, the combined airborne components of the ..."

4. Monthly Notices of the Royal Astronomical Society by Royal Astronomical Society (1862)
"On the Perturbations of Uranus and the Mass of neptune. ... In the determination of the mean distance of the satellite of neptune, and the consequent ..."

5. The Geographical Journal by Royal Geographical Society (Great Britain) (1907)
"A short account of the voyage and geographical results of the Canadian expedi tion in the neptune to the Arctic islands has already appeared in the Journal ..."

6. An Introduction to Astronomy by Forest Ray Moulton (1916)
"No certain markings have been seen on neptune, and, consequently, ... The dimensions and mass of neptune are known with considerable accuracy. ..."

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