neptune powder

1 definition found

neptune powder - Collaborative International Dictionary of English v.0.48 :

  Neptune \Nep"tune\, prop. n. [L. Neptunus.]
     1. (Rom. Myth.) 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.
        [1913 Webster]
  
     2. (Astron.) The remotest major planet of our solar system,
        discovered -- as a result of the computations of
        Leverrier, of Paris -- by Galle, of Berlin, September 23,
        1846. It is classed as a gas giant, and has a radius of
        22,716 km and an estimated mass of 1.027 x 10^26 kg,
        with an average density of 2.27 g/cc. Its mean distance
        from the sun is about 5,000,000,000 km (3,106,856,000
        miles), and its period of revolution is about 164.78
        years.
        [1913 Webster +PJC]
  
     Neptune powder, an explosive containing nitroglycerin, --
        used in blasting.
  
     Neptune's cup (Zool.), a very large, cup-shaped, marine
        sponge (Thalassema Neptuni).
        [1913 Webster]