instant messaging

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌinstant ˈmessaging noun [uncountable]  a type of service available on the Internet that allows you to quickly exchange written messages with people that you know 即时消息〔因特网上让彼此认识的人能够快速交换书面信息的服务〕 instant messaging services 即时消息服务 —instant message noun [countable]From Longman Business Dictionaryinstant messagingˌinstant ˈmessaging abbreviation IM noun [uncountable]COMPUTING a type of service available on the Internet that allows you to quickly exchange written messages with people you know

ˌinstant ˈmessaging nounChineseSyllable  

of that available Business on the service type a Internet

instant messaging
ˌinstant ˈmessaging noun [uncountable]
a type of service available on the Internet that allows you to quickly exchange written messages with people that you know:
    instant messaging services
—instant message noun [countable]

instant messagingBrE /ˌɪnstənt ˈmesɪdʒɪŋ/ 🔊NAmE /ˌɪnstənt ˈmesɪdʒɪŋ/ 🔊 noun [uncountable] a system on the Internet that allows people to exchange written messages with each other very quickly 即时通信（互联网的快捷信息传递系统）▸ instant message (also IM) noun [countable, uncountable] ◆to send an instant message发送即时消息◆Word spreads by email and instant message.消息通过电子邮件和即时通信广为传播。▸ instant-message (also IM) verb [transitive, intransitive] ◆She spent the most of the evening instant-messaging.她把晚上的大部分时间都花在了即时通信上。◆~ sb He instant-messaged me last night.他昨晚给我发了即时消息。◆~ sb sth Can you instant-message me the news?你把那条消息即时发送给我好吗？