Meaning & use

semiconductor

noun·Academic

Last updated

UK/ˌsemikənˈdʌktə/
US/ˌsemikənˈdʌktər/

Meanings

  1. nouncountabletechnical

    A solid material, such as silicon, that conducts electricity poorly at low temperatures but better when energy or impurities are added.

    Grammar: Countable: a semiconductor, semiconductors. Often used before another noun: semiconductor device.

    Patterns

    • a semiconductor material
    • semiconductor industry
    • made of semiconductors

    Silicon is the most common semiconductor used in computer chips.

    The company makes semiconductors for mobile phones.

    A semiconductor can be doped to change its electrical properties.

  2. nouncountabletechnical

    A device, such as a transistor or diode, made from such a material.

    Grammar: Countable; often in the plural: semiconductors. Common in electronics and business contexts.

    Patterns

    • produce semiconductors
    • semiconductor manufacturing
    • a semiconductor company

    The factory produces millions of semiconductors each year.

    Investors are watching the semiconductor sector closely.

    He works as an engineer designing semiconductors.

Word forms

pluralsemiconductors

Common combinations

semiconductor chip
The new semiconductor chip is faster and uses less power.
semiconductor industry
The semiconductor industry is vital to the economy.
semiconductor device
A diode is a simple semiconductor device.
doped semiconductor
A doped semiconductor conducts electricity much better.

Synonyms and how they differ

chip
Chip often refers to a finished electronic component, while semiconductor can mean the raw material or the device.
conductor
A conductor lets electricity flow easily, but a semiconductor only does so under certain conditions.

Opposites

Word family

semiconducting adjective
Having the properties of a semiconductor.
semiconductive adjective
Relating to or showing slight electrical conductivity.

Commonly confused: semiconductor or superconductor?

semiconductor vs superconductor

A superconductor has zero electrical resistance at very low temperatures, while a semiconductor has controllable resistance.

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