| Subject | Italian | English |
| commun. | chat-line telefonica | chatline |
| commun. | chat-line telefonica | talk-about service |
| comp., MS | chat persistente | persistent chat (A type of chat in which messages are posted to a chat room where they can be viewed and responded to in real time by multiple participants. Users can search for other rooms by name, member/owner, keywords, and content across groups from Lync) |
| commun., IT, engl. | chat room | chat room |
| comp., MS | chat room | chat room (A data communication channel that links computers and allows users to send messages to each other in real time. Chat rooms are available through online services and some electronic bulletin board systems) |
| comp., MS | chat room segreta | secret chat room (In the Lync persistent chat feature, a room that has been set up with the most restricted level of privacy. Only members of a secret chat room can find it, see who is participating in it, follow it, or read and post in it) |
| commun., IT | Internet relay chat | Internet Relay Chat |
| med. | sindrome cri du chat | cri du chat syndrome |
| med. | sindrome cri du chat | chromosome 5 short arm deletion syndrome |
| med. | sindrome cri du chat | Lejeune syndrome |
| med. | sindrome cri du chat | Bl deletion syndrome |
| med. | sindrome cri du chat | cat's cry syndrome |
| med. | sindrome del cri du chat | chromosome 5 short arm deletion |
| med. | sindrome del cri du chat | cri du chat syndrome |
| med. | sindrome del cri du chat | Lejeune syndrome |
| med. | sindrome del cri du chat | 5p-syndrome |
| commun., IT | stanza chat | chat room |
| comp., MS | strumento Chat | Chat tool (A tool that participants can use to communicate one-on-one during a Live Meeting session) |