# e

## Definitions

### General English

### General Science

- abbreviation exponential constant 2.71828… which is defined by the equation e = exp (I)
- symbol the charge on an electron equal to 1.60219 x 10
^{-19} coulombs

### Computing

- symbol
(written as *E*)

the hexadecimal __number__ equivalent to decimal number 14

### Construction

(written as *E*)

The rating of __elasticity__ or __stiffness__ of a material.

### Electronics

(written as *e-*)

A __prefix__ which serves to produce derivative words pertaining to __computer__, and/or __online__ concepts. For instance, __email__, or e-cash. It is an abbreviation of electronic.- A
__transcendental number__ equal to approximately 2.71828, and which is the base for natural logarithms. Also called __Napierian base__. (written as *E*)

__symbol__ for __electric field strength__, or electric field vector.- symbol forelectromotive force
(written as *E*)

- symbol forenergy
(written as *E*)

- symbol forvoltage
(written as *E*)

- symbol forexa-
(written as *E*)

- symbol forelectron charge
- symbol foremitter
(written as *E*)

- symbol forelementary charge
- A metric
__prefix__ representing 10^{18}. For example, __exahertz__. Its __symbol__ is E.

### Slang

- noun
(written as *E*)

(a dose of) the drug **ecstasy**. An abbreviation in vogue in the UK since the late 1980s. - symbol forbig E, the
(written as *E*)

- symbol forecstasy
(written as *E*)

- noun the
**elbow**.

### Cars & Driving

- symbol foreconomy gear
(written as *E*)

- noun a
__high gear__ designed for __economical__ cruising

### English

- symbol foreastern
(written as *E*)

### Agriculture

- symbol forExcellent
(written as *E*)

### Aviation

- adjective situated in the
__east__

### Military

- adjective relating to the
__east__

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