English Reference
noun

processor

n.
US /ˈpɹɑˌsɛsɝ/ UK /pɹˈəʊsɛsɐ/ pro·ces·sor UK spelling processor's, processor's

  1. 01 B1 Intermediate Computing

    the 'brain' of a computer that follows instructions and handles data.

    the central processing unit (CPU) or microprocessor of a computer that executes instructions and manages data flow.

    Simple

    The new laptop has a much faster processor, so videos load instantly.

    In context

    Upgrading to a more powerful processor significantly reduced the time required for the server to handle complex database queries.

    Usage

    often used with modifiers like 'dual-core' or 'high-speed'

  2. 02 B1 Intermediate Cooking

    an electric machine used for cutting, mixing, or blending food quickly.

    an electric kitchen appliance used for various food preparation tasks such as chopping, slicing, and pureeing.

    Simple

    I used the food processor to chop the onions in just a few seconds.

    In context

    The chef recommended using a food processor to achieve a perfectly smooth consistency for the vegetable terrine.

    Usage

    usually used in the full phrase 'food processor'

  3. 03 C1 Advanced FormalTechnical

    a person or business that handles official documents, payments, or raw materials.

    an individual or organization that handles and prepares materials, data, or legal documents for further use.

    Simple

    The payment processor takes a small fee for every credit card transaction.

    In context

    As a primary claims processor, her role involves verifying the accuracy of all medical documentation before authorizing insurance payouts.

    Usage

    common in business contexts like 'payment processor' or 'claims processor'

    Teacher's tip

    This sense is common in administrative and industrial contexts; learners should recognize it in job titles or service descriptions.

His research examined how groups of computer processors work together by analyzing what each processor knows and how they communicate.

Phys.org· 17 Aug 2026

Framework uses Intel’s Core Ultra Series 3 chips (codenamed Panther Lake), which are  Intel’s best laptop processors in quite a while .

Ars Technica· 27 Jul 2026

Recorded since 1909, from process + -or.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated