com·mu·ni·ca·tion 
/kəˌmju:nəˈkeɪʃən/ noun
plural com·mu·ni·ca·tions /kəˌmju:nəˈkeɪʃən/ noun 1 [noncount] : the act or process of using words, sounds, signs, or behaviors to express or exchange information or to express your ideas, thoughts, feelings, etc., to someone else
▪ human communication ▪ nonverbal communication ▪ He is studying insect communication. ▪ Parents need to have good communication with their children. [=they need to be able to understand and be understood by their children] ▪ communication problems/skills ▪ There was a breakdown in communication between members of the group. ▪ (formal) We are in communication by e-mail. [=we are communicating with each other by e-mail] ▪ television and other means of mass communication 2 [count] formal : a message that is given to someone : a letter, telephone call, etc. — usually singular ▪ The captain received an important communication. 3 communications [noncount] a : the ways of sending information to people by using technology
▪ radio/wireless/electronic communications ▪ Communications is a growing industry. ▪ communications systems/technology ▪ a communications satellite [=a satellite that is used to send signals for television, radio, etc., to people around the world]
b : the study of how information is sent to people by using technology
▪ He majored in communications in college.
▪ human communication ▪ nonverbal communication ▪ He is studying insect communication. ▪ Parents need to have good communication with their children. [=they need to be able to understand and be understood by their children] ▪ communication problems/skills ▪ There was a breakdown in communication between members of the group. ▪ (formal) We are in communication by e-mail. [=we are communicating with each other by e-mail] ▪ television and other means of mass communication
▪ radio/wireless/electronic communications ▪ Communications is a growing industry. ▪ communications systems/technology ▪ a communications satellite [=a satellite that is used to send signals for television, radio, etc., to people around the world]
b : the study of how information is sent to people by using technology
▪ He majored in communications in college.
