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• e
  e

  abbreviation

  electron.
• E
  E

  noun

  the fifth letter of the English alphabet, a vowel.
• e-
  e-

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

  abbreviation

  eldest.
• E.
  E.

  abbreviation

  Earl.
• E-
  E-

  prefix

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

e

¹ American  

abbreviation

1. electron.

2. Physics. elementary charge.

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e ² American  

Symbol.

1. 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.

2. Logic. universal negative.

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E ³ American  

[ee] / i /

Or e

noun

• E's,
  plural
• Es,
  plural
• e's,
  plural
• es
  plural

1. the fifth letter of the English alphabet, a vowel.

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

3. something having the shape of an E .

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

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

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E ⁴ American  

abbreviation

1. east.

2. eastern.

3. English.

4. excellent.

5. Expressway.

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E ⁵ American  

Symbol.

1. the fifth in order or in a series.

2. (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.

3. Music.

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

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

   3. a written or printed note representing this tone.

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

   5. the tonality having E as the tonic note.

4. (sometimes lowercase) the medieval Roman numeral for 250.

5. Physics, Electricity.

   1. electric field

   2. electric field strength.

6. Physics. energy.

7. Biochemistry. glutamic acid.

8. Logic. universal negative.

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

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e- ⁶ American  

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

   emit.

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e- ⁷ American  

Sometimes E-

1. electric.

   e-bike.

2. electronic.

   e-book;

   e-cigarette.

3. on the internet; online.

   e-content;

   e-commerce.

4. involving electronic data transfer, especially over the internet.

   e-banking.

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e. ⁸ American  

abbreviation

1. eldest.

2. Football. end.

3. engineer.

4. engineering.

5. entrance.

6. Baseball. error; errors.

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E. ⁹ American  

abbreviation

1. Earl.

2. Earth.

3. east.

4. Easter.

5. eastern.

6. engineer.

7. engineering.

8. English.

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e- ¹ British  

prefix

1. electronic, indicating the involvement of the internet

   e-business

   e-money

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E- ² British  

prefix

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

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E ³ British  

symbol

1. earth

2. East

3. English

4. Egypt(ian)

5. exa-

6. music

   1. 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

   2. a key, string, or pipe producing this note

   3. the major or minor key having this note as its tonic

7. physics

   1. energy

   2. electric field strength

   3. electromotive force

   4. Young's modulus (of elasticity)

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

9. 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

   2. ( as modifier ) See also occupation groupings

      E worker

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abbreviation

1. Spain (international car registration)

2. informal the drug ecstasy

E. ⁴ British  

abbreviation

1. Earl

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e- ⁵ British  

prefix

1. out

   eviscerate

   egest

2. away

   elapse

   elongate

3. outside

   evaginate

4. completely

   evaporate

5. without

   ebracteate

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e ⁶ British  

/ iː /

noun

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

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e ⁷ British  

symbol

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

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e Scientific  

/ ē /

1. 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.

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e- Cultural  

1. 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.

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Other Word Forms

Noun Inflected Forms

• E's
  plural
• Es
  plural
• e's
  plural
• es
  plural

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Etymology

Origin of e-

First recorded in 1985–90; shortening of electronic ( def. )

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Example Sentences

See Examples For:

e E e- e. E. E- E's Es e's es

David is the frontman of the Italian rock band Måneskin, which formed in Rome in 2016 and won the Eurovision Song Contest in 2021 with their song “Zitti e Buoni.”

From Los Angeles Times ● Sep. 25, 2026

In the Ford Model e segment, which includes its electric vehicle offerings, revenue fell to $1 billion from $2.4 billion.

From The Wall Street Journal ● Jul. 28, 2026

Each one has a crisp, dramatically puffed border surrounding a baked egg, with salty pancetta, sharp pecorino and enough black pepper to send the whole thing in a cacio e pepe direction.

From Salon ● Jul. 20, 2026

The notion that the nation-state is outdated, and could therefore be replaced with blockchain technology, is one of the reasons h e decided to run to become Liberland's prime minister.

From BBC ● Jul. 10, 2026

And then an n and underline it and an e and so on until you’ve spelled your whole message.”

From "Al Capone Does My Shirts" by Gennifer Choldenko

“Micron being ‘cheap’ assumes that the E in the P/E is right,” Kaplan said.

From MarketWatch ● Nov. 6, 2026

Cohere recently completed the initial close of a Series E funding round targeting up to seven billion Canadian dollars, equivalent to about US$5 billion.

From The Wall Street Journal ● Nov. 5, 2026

A second county ballot measure, Measure E, was far ahead in early returns.

From Los Angeles Times ● Nov. 4, 2026

First, actor Richard E Grant was so giddy to have received the tap on the shoulder that he blurted out his supposedly secret status in episode two.

From BBC ● Oct. 30, 2026

The second one: Wondering if you me and E can talk.

From "What If It's Us" by Becky Albertalli and Adam Silvera

So, for instance, the prefix er- denotes an external body part, whereas e- denotes an internal one.

From Scientific American ● Apr. 20, 2020

Brune said it felt like the real thing: “Even though it was all e- and technology, we still had plenty of times to accuse each other of cheating like we usually do.”

From Slate ● Mar. 31, 2020

The BLM’s Tres Rios field office has announced that its paths are now open to e- ikes, but many riders access these trailheads by riding on Durango’s trails.

From Washington Post ● Oct. 16, 2019

Meanwhile, e- has taken over as the prefix for those things in the digital world which are less malign - depending, that is, on your feelings about email.

From BBC ● May 19, 2017

“It plays DVDs,” he said, “and if I had an e- mail account, I could check it on this, too.”

From "Extremely Loud and Incredibly Close" by Jonathan Safran Foer

"We're looking for two different types of bacteria, e. coli and intestinal enterococci," says Jonathan Porter, a microbiologist at the Environment Agency.

From BBC ● May 12, 2024

The diagnosis was based on established assessments that included e. g. memory and language tasks.

From Science Daily ● Mar. 27, 2024

And a lot of people, not just the Gilbreths, were very worried that the “best women” i. e. highly educated women were not reproducing.

From Scientific American ● Sep. 21, 2023

"Kangaroo meat is known to be contaminated on occasion with Salmonella spp, high levels of e. coli, Toxoplasmosis, and Listeria, and Coxiella," Ben-Ami told Salon by email.

From Salon ● Nov. 21, 2020

I did call Mary Elizabeth, and I told her that I’d been listening to the record every night and reading the e. e. cummings book.

From "The Perks of Being a Wallflower" by Stephen Chbosky

The E. coli 0157 outbreak has sickened at least nine children, the Santa Cruz County Health Services Agency said in a statement.

From Los Angeles Times ● Nov. 12, 2026

Shiga toxin-producing E. coli infections have surged in California in recent years, rising from around 500 cases in 2011 to more than 2,500 in 2023, according to the California Department of Public Health.

From Los Angeles Times ● Nov. 11, 2026

"Significant changes rarely move in a straight line," Nobel Prize-winning economist Joseph E. Stiglitz said in a statement sent to AFP by the International Capital Tax Commission before Monday's projections.

From Barron's ● Nov. 10, 2026

“We are in a moment of global instability and precarity that limits the effectiveness of national state action,” said Diane E. Davis, a Harvard University professor who has studied sovereignty in Latin America.

From The Wall Street Journal ● Nov. 9, 2026

He thought about a quote from the novelist E. M. Forster: “If I had to choose between betraying my country and betraying my friend, I hope I should have the guts to betray my country.”

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

The agreements cover roughly 800 workers at the InterContinental, Hotel Indigo and E- Central in downtown L.A. — and the Sheraton Gateway LAX.

From Los Angeles Times ● Dec. 22, 2023

"We had narrowed down the selections to a bunch of E- names, but we couldn't ultimately decide," says Conley, who lives in New York.

From BBC ● Apr. 11, 2014

Suppose the null hypothesis, H0, is: the sample does not contain E- coli.

From Textbooks ● Sep. 19, 2013

The ballroom-dance competition reality show will have glitter, spandex, spray tans and Drama with a capital D as the show’s professional dancers whip a crop of E- and F- List stars into semi-professional samba dancers.

From Time ● May 16, 2013

Electronic mail, E- Mail that has saved taxpayers millions, will be unavailable for communications until October at a minimum.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Winn Schwartau

Heliodoro Moreno, E’s attorney, said the California Attorney General’s Office confirmed to him in February that it was investigating.

From Los Angeles Times ● Nov. 12, 2025

As visitors enter and lie down, these mobiles spin slowly, catching light and casting morphing shadows of cursive E’s and wishbones.

From New York Times ● Apr. 17, 2024

Seetoo told The Times on Tuesday that she believes the “three E’s, and that is enforcement, education and engineering,” are needed to make the highway safe.

From Los Angeles Times ● Feb. 1, 2024

It said that with seven E’s whose sum must equal 2, E = 2.

From Scientific American ● May 25, 2023

The E’s and S’s could turn into dust.

From "Habibi" by Naomi Shihab Nye

About 60% of the U.S. population report a preference for introversion, according to Myers-Briggs Co., the company known for a personality-assessment test that begins by separating the Is from the Es.

From The Wall Street Journal ● Dec. 23, 2025

"The idea is to allow people to instantly seek help to navigate relationships because not everyone can talk to friends or family for fear of judgment," says New York-based founder Es Lee.

From BBC ● Oct. 2, 2025

She also teased her catty upcoming single “Él No Es Tuyo” — set for release in early March, the song notably features her former rival, Bellakath.

From Los Angeles Times ● Feb. 20, 2025

But finishing hot on the Latin charts is also “Si No Es Contigo,” where Cris MJ riffs his breathy voice over a sultry urban beat.

From Los Angeles Times ● Dec. 31, 2024

“That your abuelos were crazy magicians? That they thought they could communicate with the dead? Es una locura, Sierra, family eccentricities. It has nothing to do with you.”

From "Shadowshaper" by Daniel José Older

My mother wound up spelling it with two e’s.

From The Wall Street Journal ● May 19, 2026

Morgan Stanley highlighted Ford Energy as a key driver for Model e’s profitability, potentially boosting investor interest.

From Barron's ● May 13, 2026

They need three rules just to handle the e’s in eleven.

From Scientific American ● Sep. 26, 2023

“Make the bracelet you really want to make first before you run out of letters. As you run out of letters, make lists of songs that don’t have e’s in them,” Ragland advised.

From Los Angeles Times ● Aug. 1, 2023

If you use three e’s, you’ll get it right.

From "Woe Is I" by Patricia T. O'Conner

Ambient audio in Walker’s footage captures someone saying: “Este es el acceso de colaboradores.”

From The Wall Street Journal ● Aug. 12, 2026

In recent years, the company acquired terminals in Haifa, Israel; Tanzania’s Port of Dar es Salaam; Sri Lanka’s Port of Colombo; and a coal-export hub in North Queensland, Australia.

From The Wall Street Journal ● Jan. 9, 2026

On Tuesday, BBC reporters observed nearly empty streets in the commercial capital, Dar es Salaam.

From BBC ● Dec. 9, 2025

Simba have struggled at the national stadium in Dar es Salaam, drawing both qualifiers there, and the Group D loss is an early setback.

From Barron's ● Nov. 23, 2025

Under my breath, I whisper, “Querer es poder” Over and over, I whisper my mantra.

From "The Queen of Water" by Laura Resau

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