domain

英 [dəˈmeɪn]

美 [doʊˈmeɪn]

n. (知识、活动的)领域，范围，范畴; (尤指旧时个人、国家等所拥有或统治的)领土，领地，势力范围; 域; 定义域

复数：domains　

Collins.1 / BNC.3345 / COCA.3627

牛津词典

noun

（知识、活动的）领域，范围，范畴
an area of knowledge or activity; especially one that sb is responsible for
1. The care of older people is being placed firmly within the domain of the family.
  照顾老人仍然被确认为是家庭范围的事。
2. Physics used to be very much a male domain.
  物理学曾在很大程度上是男人的领域。
（尤指旧时个人、国家等所拥有或统治的）领土，领地，势力范围
lands owned or ruled by a particular person, government, etc., especially in the past
1. The Spice Islands were within the Spanish domains.
  香料群岛曾是西班牙的领地。
域；定义域
a set of websites on the Internet which end with the same group of letters, for example .com , .org
区域；定义域
the range of possible values of a particular variable

N-COUNT (尤指某人有控制力、影响力或权利的)领域，范围，范畴
Adomainis a particular field of thought, activity, or interest, especially one over which someone has control, influence, or rights.
1. ...the great experimenters in the domain of art...
  艺术领域伟大的实验者们
2. This information should be in the public domain.
  这一消息应该为公众所知。
N-COUNT 领土;势力范围
Someone'sdomainis the area they own or have control over.
1. ...the mighty king's domain.
  势力强大的国王的领土
(因特网上的)域
On the Internet, adomainis a set of addresses that shows, for example, the category or geographical area that an Internet address belongs to.

noun

the content of a particular field of knowledge
Synonym:knowledge domainknowledge base
people in general
1. the Western world
Synonym:world
(mathematics) the set of values of the independent variable for which a function is defined
Synonym:domain of a function
territory over which rule or control is exercised
1. his domain extended into Europe
2. he made it the law of the land
Synonym:demesneland
a particular environment or walk of life
1. his social sphere is limited
2. it was a closed area of employment
3. he's out of my orbit
Synonym:sphereareaorbitfieldarena