Meaning & use

passthrough

noun, adjective·Advancedtechnical

Last updated

UK/ˈpɑːsθruː/
US/ˈpæsθruː/

Meanings

  1. nouncountabletechnical

    A route, process, or arrangement that allows something to go through without being changed or stopped.

    Grammar: Countable: a passthrough, the passthrough, passthroughs.

    Patterns

    • a passthrough for something
    • a passthrough of something

    The software acts as a passthrough for data between the two systems.

    The tax is a passthrough to consumers, who pay it at the point of sale.

    The company set up a passthrough to avoid double taxation.

  2. adjectivebefore a nountechnical

    Allowing something to pass through without modification or storage.

    Grammar: Used before a noun: passthrough mode, passthrough authentication.

    Patterns

    • passthrough mode
    • passthrough authentication
    • passthrough entity

    Enable passthrough mode to send the signal directly to the display.

    The passthrough entity is not taxed at the corporate level.

    We use passthrough authentication so users can log in with their existing accounts.

Word forms

pluralpassthroughs

Common combinations

passthrough entity
A passthrough entity avoids double taxation by passing profits to owners.
passthrough mode
In passthrough mode, the device simply forwards the signal.
passthrough authentication
Passthrough authentication lets users log in with their existing credentials.
cost passthrough
The contract allows for cost passthrough to the client.

Synonyms and how they differ

pass-through
The hyphenated form is more common in general writing; passthrough is often used in technical contexts.
conduit
A conduit is a channel for something to flow through, often used in finance and engineering; passthrough emphasizes the lack of change.

Word family

pass through phrasal verb
To go through something, especially a place or a process.

Commonly confused: passthrough or password?

passthrough vs password

A password is a secret word or phrase used for identification; passthrough is about allowing something to go through.

Practice

In computing, what does a passthrough typically do?

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