e

E is the fifth letter in the English alphabet and is a vowel.

(noun)

See e in Webster's New World College Dictionary

or E

noun pl. e's

the fifth letter of the English alphabet: from the Greek epsilon, a borrowing from the Phoenician
any of the speech sounds that this letter represents, as, in English, the vowel (e) of bed or (ē) of equal, or, when unstressed, (ə) as in father
a type or impression for e or E
the fifth in a sequence or group
an object shaped like

adjective

noun

Math. the number used as the base of the system of natural logarithms, approximately 2.71828

Physics electron

noun

Educ.
1. a grade indicating below-average work, often equivalent to condition
2. sometimes, a grade indicating excellence
Music
1. the third tone or note in the ascending scale of C major
2. a key, string, etc. producing this tone
3. the scale having this tone as the keynote

Earl
earth
east
eastern
empty
Football end
England
English
Baseball error(s)
exa-
excellent
Physics
1. energy
2. the modulus of elasticity
3. electromotive force or voltage

Also, for 2-6, 9, & 11, e

ex-: used before b, d, g, j, l, m, n, r, or v: eject, emit

or e-

done, made, purchased, etc. electronically, over the Internet: E-banking, airline E-tickets

Origin: < e(lectronic)

See e in American Heritage Dictionary 4

or E

noun pl. e's e's or E's also es or Es

The fifth letter of the modern English alphabet.
Any of the speech sounds represented by the letter e.
The fifth in a series.
Something shaped like the letter E.
E A grade that indicates failing status.
Music
a. The third tone in the scale of C major or the fifth tone in the relative minor scale.
b. A key or scale in which E is the tonic.
c. A written or printed note representing this tone.
d. A string, key, or pipe tuned to the pitch of this tone.
e Mathematics The base of the natural system of logarithms, having a numerical value of approximately 2.71828.
E The hypothesized traditional source of those narrative portions of the Pentateuch in which God is referred to as Elohim rather than with the Tetragrammaton.