DictionaryintegralEssential part
adjective

integral

IN-tih-grul/ˈɪntɪɡrəl/

Necessary to make a whole complete.

The keystone is integral to the stability of the stone arch.

The central keystone completes a stable stone arch; highlight its essential structural role.
Etymology

The base means “whole”: an integral part belongs to the whole rather than being an optional addition. In this sense, the whole is incomplete or cannot function properly without it.

In context

ICTP Science, Technology and Innovation52:51
writing is an integral part of research in the course of writing you realize you don't fully understand some aspects of the work
Scientific Writing

More examples

  • Regular practice is an integral part of learning an instrument.
  • Trust is integral to a healthy working relationship.
  • Volunteers play an integral role in our food bank.

Forms

integral

integrate verb — Combine separate parts into a unified whole.

Similar words

essential
Emphasizes necessity without necessarily describing part of a whole.
indispensable
Stresses that something cannot be done without.