neptune

1. 1.

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

   BroaderRoman deity

   Roman mythology

2. 2.

   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”

   BroaderJovian planetsuperior planetouter planet

   Part ofsolar system

Other forms of neptune

plural

neptunes·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about neptune

What does neptune mean?

neptune means "(Roman mythology) god of the sea; counterpart of Greek Poseidon". That is the primary sense; the word has 2 in total, listed in full on this page.

How many syllables are in neptune?

neptune has 2 syllables: nep-tune. The stress falls on "nep". In IPA it is /ˈnɛptun/.

Is neptune a common word?

neptune is banded "Familiar" — widely understood, used when the subject calls for it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.