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e

[ee]

noun, plural E's or Es, e's or es.

the fifth letter of the English alphabet, a vowel.

any spoken sound represented by the letter E or e, as in met, meet, mere, etc.

something having the shape of an E.

a written or printed representation of the letter E or e.

a device, as a printer's type, for reproducing the letter E or e.

Dictionary.com Unabridged

Symbol.

the fifth in order or in a series.

(sometimes lowercase) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work is in need of improvement in order to be passing.

Music.

the third tone in the scale of C major or the fifth tone in the relative minor scale, A minor.

a string, key, or pipe tuned to this tone.

a written or printed note representing this tone.

(in the fixed system of solmization) the third tone of the scale of C major, called mi.

the tonality having E as the tonic note.

(sometimes lowercase) the medieval Roman numeral for 250. Compare Roman numerals.

Physics, Electricity.

electric field.

electric field strength.

EXPAND

Physics. energy.

Biochemistry. glutamic acid.

Logic. universal negative.

a proportional shoe width size narrower than EE and wider than D.

COLLAPSE

electron.

Physics. elementary charge.

Symbol.

Mathematics. a transcendental constant equal to 2.7182818 …, used as the base of natural logarithms; the limit of the expression (1+1/n)ⁿ as n approaches infinity.

Logic. universal negative.

variant of ex-¹, occurring in words of Latin origin before consonants other than c, f, p, q, s, and t: emit.

(used in combination)

electronic: e-mail; E-text.

online: e-commerce.

Also, E-.

Football. end.

Baseball. error; errors.

COLLAPSE

noun

Edward (St. John), 1925–2000, U.S. writer and illustrator.

noun

Alec (Alexander Raban), 1898–1981, English novelist, traveler, and lecturer (son of Arthur, brother of Evelyn).

Arthur, 1866–1943, English literary critic, publisher, and editor (father of Alec and Evelyn).

Evelyn (Arthur St. John), 1903–66, English novelist, satirist, biographer, and author of books on travel (son of Arthur, brother of Alec).

Frederick Judd, 1861–1940, U.S. painter and illustrator.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins

World English Dictionary

e or E (iː)

—n , pl e's, E's, Es
1.	the fifth letter and second vowel of the modern English alphabet
2.	any of several speech sounds represented by this letter, in English as in he, bet, or below

E or E

—n

e or E (iː)

—n , pl e's, E's, Es
1.	the fifth letter and second vowel of the modern English alphabet
2.	any of several speech sounds represented by this letter, in English as in he, bet, or below

E or E

—n

e

—*symbol for*
1.	maths a transcendental number, fundamental to mathematics, that is the limit of (1 + 1/n)ⁿ as n increases to infinity: used as the base of natural logarithms. Approximate value: 2.718 282…; relation to π: e^πi = --1, where i = √--1
2.	electron
3.	chess See algebraic notation

E

—*symbol for*

—*abbreviation for*
1.	earth
2.	East
3.	English
4.	Egypt(ian)
5.	exa-
6.	music
	a. a note having a frequency of 329.63 hertz (E above middle C) or this value multiplied or divided by any power of 2; the third note of the scale of C major
	b. a key, string, or pipe producing this note
	c. the major or minor key having this note as its tonic
7.	physics
	a. energy
	b. electric field strength
	c. electromotive force
	d. Young's modulus (of elasticity)
8.	logic A I Compare O a universal negative categorical proposition, such as no pigs can fly: often symbolized as SeP
9.	a. a person without a regular income, or who is dependent on the state on a long-term basis because of unemployment, sickness, old age, etc
	b. See also occupation groupings (as modifier): E worker
10.	Spain (international car registration)
11.	informal the drug ecstasy

[(for sense 10) from Spanish España]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage

Medical Dictionary

e abbr.
electron

American Heritage

Science Dictionary

e (ē) Pronunciation Key
An irrational number, with a numerical value of 2.718281828459.... It is mathematically defined as the limit of (1 + ¹/_n )ⁿ as n grows infinitely large. It is the base of natural logarithms and has many applications in mathematics, especially in expressions involving exponential growth and decay.

The symbol for energy.
The symbol for modulus of elasticity.

American Heritage

Cultural Dictionary

e- definition

A prefix that stands for “electronic” and refers to information technologies, business, and almost anything connected to or transmitted over the Internet. Some examples of its use include e-business, e-commerce, e-book, and e-mail.

FOLDOC

Computing Dictionary

E definition

1. An extension of C++ with database types and persistent objects. E is a powerful and flexible procedural programming language. It is used in the Exodus database system.
See also GNU E.
(ftp://ftp.cs.wisc.edu/exodus/E/).
["Persistence in the E Language: Issues and Implementation", J.E. Richardson et al, Soft Prac & Exp 19(12):1115-1150 (Dec 1989)].
2. A procedural language by Wouter van Oortmerssen with semantics similar to C. E features lists, low-level polymorphism, exception handling, quoted expressions, pattern matching and object inheritance. Amiga E is a version for the Amiga.
(1999-10-05)

American Heritage

Abbreviations & Acronyms