Standard Lemma guide

e-

prefix · 9 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ɛ-/
  • /i-/

1

prefix

Meaning 1

Used to form adjectives with the sense of something being absent, being removed, or moving outward.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, morpheme

Examples

  • e.g. eluviation, edentulous, elenge

Meaning relationships

Synonyms: ex-

Antonyms: none provided

2

prefix

Meaning 2

In an electronic form, especially computerized and digital; often in association with the Internet.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

prefix

Meaning 3

For emergency purposes.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • e-stop, e-brake

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

prefix

Meaning 4

Used to prefix product names, to indicate an electrified or all-electric variant of the product, particularly cars.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: business, marketing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

prefix

Meaning 5

Used to prefix product names, to indicate an electrified or all-electric variant of the product, particularly cars.

Used to prefix product names, to indicate a battery-powered or onboard electric power source variant.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: business, marketing

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

prefix

Meaning 6

Electric.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • e-stim

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

prefix

Meaning 7

Used to prefix items that are embedded into devices, instead of being discrete or removable elements.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

prefix

Meaning 8

educational

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

prefix

Meaning 9

Alternative form of e-.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *h1éǵh Proto-Indo-European *-s Proto-Indo-European *h1éǵhs Proto-Italic *eks Latin ex Latin ex-der. English e- From Latin ē-.

Etymology tree Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin ēlectricusbor. English electric Proto-Indo-European *h1ey- Proto-Indo-European *h1éyti Proto-Hellenic *éimi Ancient Greek ἰόν (ión)der. English ion English electron ▲ Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English electronic English e- Abbreviation of electronic.

Etymology tree Latin ēmergō Proto-Indo-European *-onts Latin -ns Latin -ēns Latin emergensbor. English emergency English e- Abbreviation of emergency.

Etymology tree Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin ēlectricusbor. English electric English e- Abbreviation of electric or electrical.

Etymology tree Proto-Indo-European *h1én Proto-Italic *en Proto-Italic *en- Latin in- Old French en-bor. Middle English en- English em- Proto-Germanic *badją Proto-West Germanic *badi Old English bedd Middle English bed English bed English embed Old English -ed Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-tós Proto-Indo-European *-eh2tos Proto-Germanic *-ōdaz Old English -od Middle English -ed English -ed English embedded English e- Abbreviation of embedded.

Etymology tree Latin ēducātiōder. English education Proto-Indo-European *h2el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English educational English e- Abbreviation of educational.

Across languages

Translations

5 source translations are retained for this English entry.

  • French: e- — Translations
  • French: E- — Translations
  • French: cyber- — Translations
  • Polish: e- — Translations
  • Portuguese: e- — Translations