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electron

noun

Simple meaning

The subatomic particle having a negative charge and orbiting the nucleus.

Pronunciation

Say it like this:

ihlehktrahn

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US device voice
IPA pronunciation (US)

ɪˈlɛktɹɑn

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. particle physics

    The subatomic particle having a negative charge and orbiting the nucleus; the flow of electrons in a conductor constitutes electricity.

  2. particle physics

    An elementary particle with negative charge

Word at a Glance

Difficulty
B1 · Intermediate
Frequency
Common
Typical Use
Varies by meaning

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: (particle physics) The subatomic particle having a negative charge and orbiting the nucleus; the flow of electrons in a conductor constitutes electricity.

Used this way, electron is a specialist word that usually carries little praise or criticism of its own. This is a scientific use: it names something precisely within a field of study, so it appears in research and teaching more than in conversation.

Emotional tone
Neutral
Formality
Specialist/technical
Intensity
Not strongly marked
How common
Specialized
Connotation
Clinical and technical
Usage feel
Technical and specialized

Where it naturally appears

  • Science
  • Academic writing
  • Technical/specialist writing

Usage note

In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use electron

  • “An electron is a very tiny particle that carries an electric charge.”

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Common Patterns and Combinations

How this word naturally appears with others.

electron microscopyelectron microscopeelectron beamelectron densityfree electronelectron diffractionelectron capturescanning electron

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Word Family

Related forms, grouped by how they connect.

Word family

Words built from the same root.

Compound terms

Established multiword terms.

  • electron microscopenounCompound term

    A microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of…

  • electron microscopicadjectiveCompound term

    Of or relating to or involving an electron microscope.

  • electron microscopynounCompound term

    Microscopy with the use of electron microscopes.

  • electron multipliernounCompound term

    A vacuum tube that amplifies a flow of electrons.

  • electron opticsnounCompound term

    The branch of electronics that deals with beams of electrons and their focusing and deflection by magnetic fields.

  • electron orbitnounCompound term

    The path of an electron around the nucleus of an atom.

Related words

Connected by subject or meaning, not by word formation.

  • electronicsnounRelated term

    The branch of physics that deals with the emission and effects of electrons and with the use of electronic devices.

  • electronic equipmentnounRelated term

    Equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor).

Related Words

Connected to the same idea, not synonyms.

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.