e

views updated

e Maths., symbol for the base of natural (Napierian) logarithms
• (ital.) Maths., symbol for eccentricity (of an ellipse or other conic)
• (or e.) electromotive
• (or e) Physics, symbol for electron
• (ital.) Physics, symbol for electron (or proton) charge
• (ital.) Chem., symbol for equatorial conformation (of molecules)
• Physics, symbol for positron (in e+)
• Maths., symbol for the transcendental number 2.718.282 …
• (bold ital.) Maths., symbol for unit coordinate vectors (in ex, ey, ez)
• Meteorol., symbol for wet air
• indicating the fifth vertical row of squares from the left on a chessboard

More From encyclopedia.com