Business / Finance / NEO: Abbreviation for nonequity options, which are options contracts on foreign currencies, debt issues, commodities, and stock indexes.

Igneous Rock

Science / Geology / Igneous Rock: A rock formed by the crystallization of magma or lava. Pictures of Igneous Rocks MORE

Subcutaneous Emphysema

Health / First Aid / Subcutaneous Emphysema: Subcutaneous emphysema can be a sign of collapsed lung (pneumothorax). MORE

Comparison Of Simultaneous Observations

Science / Tides and Currents / Comparison Of Simultaneous Observations: A reduction process in which a short series of tide or tidal current observations at any place is compared with simultaneous observations at a control station where tidal or tidal current constants ha MORE


Science / Chemistry / Spontaneous: A spontaneous process occurs because of internal forces; no external forces are required to keep the process going, although external forces may be required to get the process started. For example, th MORE

Neon (Ne)

Science / Periodic Table of Elements / Neon (Ne): Atomic number: 10, Atomic mass: 20.179 g.mol -1, Electronegativity: unknown, Density: 0.9*10 -3 at 20°C, Melting point: -249 °C, Boiling point: -246 °C, Vanderwaals radius: 0.16 nm, Ionic ra MORE

Neodymium (Nd)

Science / Periodic Table of Elements / Neodymium (Nd): Atomic number: 60, Atomic mass: 144.2 g mol -1, Electronegativity: 1.14, Density: 7.0 g cm-3, Melting point: 1024 °C, Boiling point: 3074 °C, Vanderwaals radius: 0.181 nm, Isotopes: 9, Electronic sh MORE