Domain

usgb/dəʊˈmeɪn/
noun

An area or field of knowledge or activity.

His domain of expertise is molecular biology.
Visual representation of "domain" - An area or field of knowledge or activity.

Often appears as...

  • domain of expertise
  • domain of knowledge
Definition 1 of 5
Visual representation of "domain"
LampPro Tip 1/2

Expertise Indicator

Use 'domain' to refer to someone's area of expertise or specialized knowledge within a certain area.

Illustration for Expertise Indicator
She'll handle the negotiations; that's her domain.
LampPro Tip 2/2

Not Physical

'Domain' often describes conceptual areas rather than physical spaces when talking about knowledge or activities.

Illustration for Not Physical
Quantum mechanics is outside my domain of understanding.
Visual representation of the word "Domain"

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