Definition of E- (original) (raw)
often attributive
1
a
: the 5th letter of the English alphabet
b
: a graphic representation of this letter
c
: a speech counterpart of orthographic e
2
: the third tone of a C-major scale
3
: a graphic device for reproducing the letter e
4
: one designated e especially as the fifth in order or class
5
a
: a grade rating a student's work as poor and usually constituting a conditional pass
b
: a grade rating a student's work as failing
c
: one graded or rated with an E
6
: a transcendental number having a value to eight decimal places of 2.71828183 that is the base of natural logarithms
7
: something shaped like the letter E
Examples of e in a Sentence
Noun
a word that begins with an e a word that begins with e a song in the key of E
Word History
Etymology
Prefix
Middle English, from Anglo-French & Latin; Anglo-French, out, forth, away, from Latin, from ex-
Combining form
First Known Use
Noun
before the 12th century, in the meaning defined at sense 1a
Time Traveler
The first known use of e was before the 12th century
Browse Nearby Words
Cite this Entry
“E.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/e. Accessed 18 May. 2026.
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