noun

domain

domain, field, area

This is not my domain of expertise.

This is not my domain of expertise.

The king ruled over a vast domain.

The king ruled over a vast domain.

What is your website's domain name?

What is your website's domain name?

domain of ((sth.)) - an area of interest or knowledge. This is outside my domain of expertise.

a domain name - an internet address. You need to register a domain name.

Synonyms: area, field, sphere, realm

From Latin 'dominium' meaning 'property' or 'ownership', derived from 'dominus' meaning 'lord' or 'master'.

Connect it to 'dominate'. A king dominates his domain. An expert dominates their domain of knowledge.

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