e
1Physics. elementary charge.
Other definitions for e (2 of 9)
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)
or e
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)
Other definitions for E (5 of 9)
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 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)
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)
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.
Origin of e-
7- Sometimes E- .
word story For e-
Other definitions for e. (8 of 9)
eldest.
Football. end.
engineer.
engineering.
entrance.
Baseball. error; errors.
Other definitions for E. (9 of 9)
Earl.
Earth.
east.
Easter.
eastern.
engineer.
engineering.
English.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use e in a sentence
If there is any fishing doing, I rather reckon its on uncle e.s side of the pond, he said, easily.
Ainslee's, Vol. 15, No. 6, July 1905 | VariousI do not wish to entrench on Mrs. e.s province—how tiresome she must be!
Miss Eden's Letters | Emily EdenThis morning there came a knock at the door at seven, and Rosina brought me your July letters, with e.s enclosed.
Up the Country | Emily EdenShere Singh thought it had been given up, and has been teasing e.s heart out about it.
Up the Country | Emily EdenAnd he has brought plenty—yours and e.s Journals amongst others.
Up the Country | Emily Eden
British Dictionary definitions for e (1 of 7)
E
/ (iː) /
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)
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)
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)
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
Spain (international car registration)
informal the drug ecstasy
Origin of E
3British Dictionary definitions for e- (4 of 7)
out: eviscerate; egest
away: elapse; elongate
outside: evaginate
completely: evaporate
without: ebracteate
Origin of e-
4British Dictionary definitions for e- (5 of 7)
electronic, indicating the involvement of the internet: e-business; e-money
British Dictionary definitions for E- (6 of 7)
used with numbers indicating a standardized system within the European Union, as of recognized food additives or standard pack sizes: See also E number
British Dictionary definitions for E. (7 of 7)
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
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 American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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