department

department, store, shop

这3个名词都含有“商店”之意。
department: 作商店解时，是美国英语，通常写为department store。
store: 在美国指出售同一类商品的小型商店。在英国用复数形式表示百货商店。
shop: 指规模较小，出售同一类商品的店铺。

名词 department:

1. a specialized division of a large organization
   同义词：section
2. the territorial and administrative division of some countries (such as France)
3. a specialized sphere of knowledge

1. The college graduated 50 students from the science department last year.
   这所学院去年有50名理科毕业生。
2. He worked in community welfare department.
   他在社会福利部工作。
3. The students of our department numbered in the hundreds.
   我们系的学生总共有几百人。
4. He works in the drapery department of the store.
   他在商店的纺织品部工作。
5. He was elected the dean of our department.
   他被选为我们系的系主任。
6. This department collects information on political extremists.
   这个部门搜集有关政治极端分子的情报。
7. He graduated from History Department.
   他毕业于历史系。

de.part.ment

n.Abbr. dept.,dpt.,dep.,D.（名词）缩写 dept.,dpt.,dep.,D.
A distinct, usually specialized division of a large organization, especially:
部门，科系：一个大组织的确定的、通常是专门的部门，尤其指：
A principal administrative division of a government:
（政府）部门：政府主要的行政部门：
例句：
the fire department; the department of public works.
消防部门；公共事务部

A division of a business specializing in a particular product or service:
（商业）部门：专营某种特定产品或服务的商业部门：
例句：
the personnel department.
人事部门

A division of a school or college dealing with a particular field of knowledge:
（学校）系：学校（或学院）研究某一特定领域的部门：
例句：
the physics department.
物理系

Department One of the principal executive divisions of the federal government of the United States, headed by a cabinet officer.
Department 部：美国联邦政府的一个主要行政部门，由内阁官员领导
A section of a department store selling a particular line of merchandise:
（百货商店）部：百货商店卖某一特定种类的商品的地方：
例句：
the home furnishings department.
家具部

An administrative district in France.
（法国的）行政区
Informal An area of particular knowledge or responsibility; a specialty:
【非正式用语】 专业，职责：某一领域的专门知识或责任；专长：
例句：
Getting the kids to bed is my department.
哄孩子们上床睡觉是我的专长

来源：
French département
法语 département
from Old French [separation]
源自 古法语 [区分]
from departir [to divide] * see depart
源自 departir [划分] *参见 depart

【引伸】
de.partmen.tal
de.partmen.tally
adv.（副词）