Phrase guide

free electron

noun · 3 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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

An electron not attached to an atom.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A person who acts independently of the organization to which they belong.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: electron, negatron

History

Etymology

No etymology was provided for this word.

Across languages

Translations

7 source translations are retained for this English entry.

  • Bulgarian: свободен електрон (svoboden elektron) — electron not attached to an atom
  • Chinese Mandarin: 自由電子 /自由电子 (zìyóu diànzǐ) — electron not attached to an atom
  • Finnish: vapaa elektroni — electron not attached to an atom
  • French: électron libre — electron not attached to an atom
  • Greek: ελεύθερο ηλεκτρόνιο (eléfthero ilektrónio) — electron not attached to an atom
  • Polish: elektron swobodny — electron not attached to an atom
  • Portuguese: eletrão livre — electron not attached to an atom