domain
Definitions
An area of activity, knowledge, or responsibility.
领域，范围。
A territory under one ruler or government.
领地，版图。
(Computing) an internet address or a network controlled by one organization.
（计算机）域名；域。
Root Breakdown
Root-derivedFrom Latin dominium (lordship, ownership), via Old French demaine/domaine. It started as the land a lord controlled, then abstracted into any "field" one commands (the domain of physics), and finally into the computing address space one owns.
Root dom still carries 40 more wordsWhy It Means This
Domain traces a neat path from concrete to abstract to digital. Latin dominium meant a lord's ownership of land. As feudal lords faded, the "territory I control" sense generalized into "field I command" — the domain of biology, public domain. The internet then borrowed it once more: a domain is the slice of online address space under your control. Same idea every time — a bounded area someone rules.
Common Collocations
- 1.domain of expertise专长领域
- 2.public domain公共领域
- 3.domain name域名
- 4.in the domain of在……领域内
Example Sentences
- 1.
That question falls outside my domain of expertise.
- 2.
The king extended his domain to the coast.
- 3.
You'll need to register a domain for your website.