/kə,mju:nɪ'keɪʃn; kə,mjunə`keʃən/
n
1 [U] act of communicating(1b, 2a, 2b) 传递; 传播; 交流; 交换; 传达; 表达; 传意; 通信; 通讯; 联络
*the communication of disease 疾病的传染
* Being deaf and dumb makes communication very difficult. 又聋又哑很难与人交往.
2 [C] (usu fml 通常作文雅语) thing that is communicated; message （被传递的）事物; 信息; 消息
*to receive a secret communication 得到一个秘密消息.
3 [U] (also communications [pl]) means of communicating, eg roads, railways, telephone and telegraph lines between places, or radio and TV 交流的方式方法或工具（如公路、铁路、电话及两地间的电报线路或无线电、电视等）
*Telephone communications between the two cities have been restored. 两城市间的电话联系已经恢复.
* The heavy snow has prevented all communication with the highlands. 大雪阻断了与高地之间的一切联系.
* [attrib 作定语] a communication satellite, link, etc 通讯卫星、通讯线路等
* a world communications network 环球通讯网.
4 (idm 习语) be in communication with sb exchange information regularly with sb, usu by letter or telephone 经常与某人互通情况（通常为通过书信或电话）.

n
[U]
the process by which people exchange information or express their thoughts and feelings
　Good communication is vital in a large organization.
　Radio was the pilot's only means of communication .
communications
a) [plural]
ways of sending information, especially using radio, telephone, or computers
　Modern communications are enabling more people to work from home.
b) [plural]
roads, railways etc that are used for travelling and sending goods
communications with
　Paris has good communications with many European cities.
c)[U]
the study of using radio, television, cinema etc to communicate
　a diploma in communications
[U]
the way people express themselves so that other people will understand
　a week's course in improving communication skills
　There has been a breakdown in communication (=failure) .
be in communication with sb
formal to talk or write to someone regularly
[C]formal
a letter, message, or telephone call
　a communication from the Ministry of Defence