English Reference
noun

integration

n.
US /ˌɪnəˈɡɹeɪʃən/ UK /ˌɪntɪɡɹˈeɪʃən/ in·te·gra·tion UK spelling integrations

  1. 01 B2 Upper Intermediate

    the act of bringing different things together to work as one system.

    the process of combining multiple components or systems into a unified, functional whole.

    Simple

    The integration of the two computer systems took several months to complete.

    In context

    Successful business integration requires aligning the corporate cultures of both companies rather than just merging their financial assets.

    Usage

    Often followed by the preposition 'of' or 'into'.

  2. 02 B2 Upper Intermediate

    the process of helping people from different groups or cultures live and work together fairly.

    the process of incorporating individuals or minority groups into a wider community or society.

    Simple

    The government is working on the social integration of new immigrants.

    In context

    The school's policy promotes the integration of students from diverse backgrounds to foster a more inclusive learning environment.

  3. 03 C1 Advanced Technical Math

    a mathematical process used to find areas, volumes, and totals.

    the mathematical operation of finding the integral of a function.

    Simple

    We learned the basic rules of integration in our calculus class today.

    In context

    The physicist used complex integration to calculate the total energy produced during the chemical reaction.

    Usage

    In mathematics, it is the inverse process of differentiation.

  4. 04 C2 Proficiency AcademicTechnical Science

    the way different parts of a living thing develop together into a simple, permanent form.

    the evolutionary process by which complex parts are coordinated into a relatively simple and stable organism.

    Simple

    The integration of different organs allows the body to function properly.

    In context

    Biologists study the integration of various physiological systems to understand how organisms adapt to extreme environments.

Usage require integration · social integration · successful integration

Discussions could then take place over the status of RSF fighters and the possible integration into the regular forces of those who had not committed crimes, he said.

Al Jazeera· 15 Aug 2026

In comments reported by VRT and Nieuwsblad , he called for urgent recruitment to the service and for greater integration of firefighting fleet across the EU.

The Guardian· 17 Aug 2026

From French intégration, from Latin integratio. Morphologically integrate + -ion.

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

This entry
Origin Latin integratio
Level C1 · Advanced
Frequency Common
Updated