E0 or E00 can refer to: * ε₀, in mathematics, the smallest member of the epsilon numbers, a type of ordinal number * ε₀, in physics,

vacuum permittivity Vacuum permittivity, commonly denoted (pronounced "epsilon nought" or "epsilon zero"), is the value of the absolute dielectric permittivity of classical vacuum. It may also be referred to as the permittivity of free space, the electric const ...

, the absolute dielectric permittivity of classical vacuum * E0 (cipher), a cipher used in the Bluetooth protocol * E0 (robot), a 1986 humanoid robot by Honda * E^o, in electrochemistry, the

standard electrode potential In electrochemistry, standard electrode potential E^\ominus, or E^\ominus_, is the electrode potential (a measure of the reducing power of any element or compound) which the IUPAC "Gold Book" defines as ''"the value of the standard emf ( electrom ...

, measuring individual potential of a reversible electrode at standard state * E0, the digital carrier for audio, specified in G.703 * E0, Eos Airlines IATA code * E0, ethanol-free gasoline, see REC-90 * e₀, in demographics, the

life expectancy Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age. The most commonly used measure is ''life expectancy at birth'' (LEB, or in demographic notation ''e''0, where '' ...

of an individual at birth (age zero) * E00, Cretinism ICD-10 code * E00, ECO code for certain variations of the

Queen's Pawn Game The Queen's Pawn Game is any chess opening starting with the move: : 1. d4 It is the second-most popular opening move after 1.e4 (King's Pawn Game). Terminology The term "Queen's Pawn Game" is usually used to describe openings beginning wit ...

chess opening * '' Enemy Zero'', a 1996 Japanese horror video game for the Sega Saturn

See also