e- With the exception of email, hyphenate e- when used as a prefix meaning “electronic” or “on the internet.”

Example: e-book, e-commerce, e-journal, e-reader, e-publication

each Takes a singular verb.

each other, one another Two people look at each other.

More than two look at one another.

Either phrase may be used when the number is indefinite: We help each other. We help one another.

Earth, earth When used as the proper name of our planet, Earth is capitalized and the is usually omitted.

The astronauts have returned successfully to Earth.

Mars, unlike Earth, has no atmosphere.

In informal contexts and in idioms, earth is lowercased.

Some still believe the earth is flat.

Where on earth have you been?

Seventh Generation makes earth-friendly products.

e-book An electronic book; book available on the internet.

e-commerce Refers to business conducted online, on the internet.

e-journal Refers to a periodical publication which is published in electronic format, usually on the Internet.

e-publication Refers to works published in a digital or electronic format designed to be read on screen. May include e-books, catalogues, magazines, digital libraries.

e-reader A device used to display electronic books and other digital publications.

editor’s notes Identify the text as editor’s note by preceding it with the phrase Ed. note followed by a colon*.* Italicize the note.

Example: Ed. note: The author stands by the validity of his research.

In running text, use brackets to indicate information or text is that of or by the editor.

Example: “They misunderestimate [sic] me,” said President George W. Bush.

EDT, EST Abbreviations for Eastern Daylight Time and Eastern Standard Time. Expressed without periods between letters. Specify EDT or EST whenever possible, though year-round use of ET (for Eastern Time) is also acceptable.

Use EST when referring to times that fall between the first Sunday of November and the second Sunday of March (i.e. cold-weather months).

Use EDT when referring to times that fall between the second Sunday of March and the first Sunday of November (i.e. warm-weather months).

See time zones.

effect/affect See affect/effect.

ellipsis See Punctuation Appendix.

email (n.) Do not hyphenate. Capitalize at the beginning of a sentence and in tabular text.

There is no verb form.

Correct: For more information, send an email to [email protected]., Email: [email protected]. Send an email to Jane Doe at [email protected]

Incorrect: Email Jane for more information.

email addresses In running text, email addresses should be set in Roman type. Sentences ending with an email address should close with a period.

Example: He welcomes correspondence and can be reached at [email protected].

emeritus/emerita Place emeritus (or emerita for feminine) before the formal title. Emeritus Professor of Geology John Doe; Mary Smith, emerita professor of art. Long titles should follow the name: Jan Cooper, emerita professor of rhetoric and composition.

emoji Singular and plural.

endowed chairs and directorships Endowed chairs and directorships are always capitalized. Long titles should be placed after the name. Oberlin College President Carmen Twillie Ambar met with Natalie Winkelfoos, Delta Lodge Director of Athletics and Physical Education.