e

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abbreviation

electron.

Physics. elementary charge.

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Other definitions for e (2 of 9)

e²

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.

Other definitions for e (3 of 9)

E¹

or e

[ ee ]

/ i /

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.

Other definitions for e (4 of 9)

E²

abbreviation

east.

eastern.

English (def. 4).

excellent.

Expressway.

Other definitions for e (5 of 9)

E³

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.

Physics. energy (def. 8).

Biochemistry. glutamic acid.

Logic. universal negative.

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

Other definitions for e (6 of 9)

e-¹

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

Other definitions for e (7 of 9)

e-²

(used in combination)

electric: e-bike.

electronic: e-book; e-cigarette.

on the internet; online: e-content; e-commerce.

involving electronic data transfer, especially over the internet: e-banking.

Sometimes E- .

Origin of e-

First recorded in 1985–90; shortening of electronic

historical usage of e-

See internet

Other definitions for e (8 of 9)

abbreviation

eldest.

Football. end.

engineer.

engineering.

entrance.

Baseball. error; errors.

Other definitions for e (9 of 9)

abbreviation

Earl.

Earth.

east.

Easter.

eastern.

engineer.

engineering.

English.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use e in a sentence

And the Absinthe House has a full list: Other famous imbibers include P.T. Barnum, Oscar Wilde, and General Robert E. Lee.
The Bars That Made America Great|Nina Strochlic|December 28, 2014|DAILY BEAST
Because Duck Dynasty receives monster TV ratings and Robertson paid by a company (A&E) while making these public statements.
Butts, Brawls, and Bill Cosby: The Biggest Celebrity Scandals of 2014 |Kevin Fallon|December 27, 2014|DAILY BEAST
Originally conceived by author Clarence E. Mulford in 1904, Hopalong was crude, rough-talking, and dangerous.
The Most Confusing Christmas Music Lyrics Explained (VIDEO)|Kevin Fallon|December 24, 2014|DAILY BEAST
The guitar is tuned to E, and an Eminor chord on a guitar just rings and rings forever.
Yes, I Like Christmas Music. Stop Laughing.|Michael Tomasky|December 24, 2014|DAILY BEAST

"He brought Ray Charles to the mix as an influence on rock & roll," E Street Band guitarist Steven Van Zandt once raved.
Joe Cocker's Deep Live Cuts|Asawin Suebsaeng|December 22, 2014|DAILY BEAST
E was an Esquire, with pride on his brow; F was a Farmer, and followed the plough.
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
True; but as we are far enough now from that point, we must e'en make the best of the bad.
Blackwood's Edinburgh Magazine, Volume 60, No. 372, October 1846|Various
I can hardly help laughing at this myself; for, Se non e vero, ben Trovato!
A Letter from Mr. Cibber to Mr. Pope|Colley Cibber
"I supposed you 'adn't, as 'e ain't 'ere, with yer ma," replied the young person.
Rosemary in Search of a Father|C. N. Williamson
Nevertheless, he listened patiently for the thousandth time to the E flat concerto, as Steiniger played it.
Music-Study in Germany|Amy Fay

British Dictionary definitions for e (1 of 7)

E

/ (iː) /

noun plural e's, E's or Es

the fifth letter and second vowel of the modern English alphabet

any of several speech sounds represented by this letter, in English as in he, bet, or below

British Dictionary definitions for e (2 of 7)

symbol for

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

electron

chess See algebraic notation

British Dictionary definitions for e (3 of 7)

symbol for

earth

East

English

Egypt(ian)

exa-

music

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
a key, string, or pipe producing this note
the major or minor key having this note as its tonic

physics

energy
electric field strength
electromotive force
Young's modulus (of elasticity)

logic a universal negative categorical proposition, such as no pigs can fly: often symbolized as SePCompare A, I 2, O 1

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
(as modifier)E worker See also occupation groupings

abbreviation for

Spain (international car registration)

informal the drug ecstasy

Word Origin for E

(sense 8) from Latin (n) e (go) I deny (sense 10) from Spanish España

British Dictionary definitions for e (4 of 7)

e-¹

prefix forming verbs and verbal derivatives

outeviscerate; egest

awayelapse; elongate

outsideevaginate

completelyevaporate

withoutebracteate

Word Origin for e-

from Latin ē away; related to ex- 1

British Dictionary definitions for e (5 of 7)

e-²

prefix

electronic, indicating the involvement of the internete-business; e-money

British Dictionary definitions for e (6 of 7)

E-

prefix

used with numbers indicating a standardized system within the European Union, as of recognized food additives or standard pack sizesSee also E number

British Dictionary definitions for e (7 of 7)

abbreviation for

Earl

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for e

abbr.

electron

Scientific definitions for e (1 of 2)

[ ē ]

An irrational number, with a numerical value of 2.718281828459.... It is mathematically defined as the limit of (1 + 1n)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.

Scientific definitions for e (2 of 2)

The symbol for energy.

The symbol for modulus of elasticity.

Cultural definitions for e

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.