Chat or chats may refer to:

Communication

Conversation Conversation is interactive communication between two or more people. The development of conversational skills and etiquette is an important part of socialization. The development of conversational skills in a new language is a frequent focus ...

, particularly casual *

Online chat Online chat is any direct text-, audio- or video-based (webcams), one-on-one or one-to-many ( group) chat (formally also known as synchronous conferencing), using tools such as instant messengers, Internet Relay Chat (IRC), talkers and possi ...

, text message communication over the Internet in real-time *

Synchronous conferencing Online chat is any direct text-, audio- or video-based (webcams), one-on-one or one-to-many ( group) chat (formally also known as synchronous conferencing), using tools such as instant messengers, Internet Relay Chat (IRC), talkers and possib ...

, a formal term for online chat * SMS chat, a form of

text messaging Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, tablet computers, smartwatches, desktops/laptops, or ...

* A popular term for

internet relay chat IRC (Internet Relay Chat) is a text-based chat system for instant messaging. IRC is designed for Many-to-many, group communication in discussion forums, called ''#Channels, channels'', but also allows one-on-one communication via instant mess ...

Chat room The term chat room, or chatroom (and sometimes group chat; abbreviated as GC), is primarily used to describe any form of synchronous conferencing, occasionally even asynchronous conferencing. The term can thus mean any technology, ranging from ...

or group chat *

Video chat Videotelephony (also known as videoconferencing or video calling) is the use of audio and video for simultaneous two-way communication. Today, videotelephony is widespread. There are many terms to refer to videotelephony. ''Videophones'' are ...

Text messaging Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, tablet computers, smartwatches, desktops/laptops, or ...

, person-to-person chat, i.e. non group chat *

Instant messaging Instant messaging (IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involv ...

Entertainment

* ''Chat'' (magazine), a British weekly women's magazine *

CHAT-FM CHAT-FM is a Canadian radio station that broadcasts a country format at 94.5 FM in Medicine Hat, Alberta. The station is owned by the Jim Pattison Group. History The station originally began broadcasting as an AM station on November 1, 1946, ...

, a radio station (94.5 FM) licensed to Medicine Hat, Alberta, Canada *

CHAT-TV CHAT-TV (Analog television, analogue channel 6) was a television station in Medicine Hat, Alberta, Canada, last affiliated with Citytv. Owned by the Jim Pattison Group#The Jim Pattison Media Group, Jim Pattison Broadcast Group, the station had s ...

, a television station (channel 6) licensed to Medicine Hat, Alberta, Canada * ''

Le Chat ''Le Chat'' (''Le Cat'' in English-language editions) is a Belgian comic strip, created by Philippe Geluck. Foremost published daily in the newspaper '' Le Soir'' from March 22, 1983, until March 23, 2013, it is since issued directly as complete ...

'', a Belgian comic strip * Sophia "Chat" Sanduval, a Marvel Comics character * '' Chat Chat'', a 1995 album by Takako Minekawa *

Chat show A talk show is a television programming, radio programming or podcast genre structured around the act of spontaneous conversation.Bernard M. Timberg, Robert J. Erler'' (2010Television Talk: A History of the TV Talk Show', pp.3-4Erler, Robert (20 ...

, a radio and television format

Places

* Chat, Iran, a village in Iran *

Chat, Kyrgyzstan Chat is a village in Jalal-Abad Region of Kyrgyzstan. It is part of the Aksy District Aksy () is a district of Jalal-Abad Region in western Kyrgyzstan. The seat lies at Kerben. Its area is , and its resident population was 137,103 in 2021. Histo ...

, a village in Kyrgyzstan * Chat, Turkmenistan, a Russian fort at the mouth of the

Sumbar River The Sumbar (also Sari-su, Sara-su and Ṣáríṣú) is a fast flowing river in southern Turkmenistan and northern Iran. It a tributary of the Atrek. The name Sari-su means ''yellow water'' in Turkic languages, but is applied to a number of other ...

in 1879 * Chat, California, an alternate name of Chats, USA

Science and medicine

Checklist for Autism in Toddlers The Checklist for Autism in Toddlers (CHAT) is a psychological questionnaire designed to evaluate risk for autism spectrum disorder in children ages 18–24 months. The 14-question test is filled out by the parent and a pediatrician or physician ...

, used in autism screening *

Choline acetyltransferase Choline acetyltransferase (commonly abbreviated as ChAT, but sometimes CAT) is a transferase enzyme responsible for the synthesis of the neurotransmitter acetylcholine. ChAT catalyzes the transfer of an acetyl group from the coenzyme acetyl-Co ...

, an enzyme that synthesises acetylcholine *

(Z)-3-hexen-1-ol acetyltransferase (Z)-3-hexen-1-ol acetyltransferase (, ''CHAT'', ''At3g03480'') is an enzyme with systematic name ''acetyl-CoA:(3Z)-hex-3-en-1-ol acetyltransferase''. This enzyme catalyses the following chemical reaction : acetyl-CoA Acetyl-CoA (acetyl coenzy ...

, an enzyme

Birds

Chat (bird) Chats (formerly sometimes known as "chat-thrushes") are a group of small Old World insectivorous birds formerly classified as members of the thrush family (Turdidae), but following genetic DNA analysis are now considered to belong to the Old Wo ...

, Old World flycatchers of subfamily Saxicolinae, which resemble small thrushes, as well as: * Australian chats, songbirds of genera ''

Ashbyia The gibberbird (''Ashbyia lovensis'') is a species of chat within the Meliphagidae family of passerine birds. Taxonomy This species, also formerly known as the desert chat, is endemic to Australia and the only species within the genus ''Ashbyia' ...

'' and ''

Epthianura ''Epthianura'' is a genus of bird also known as the Australian chats. Along with the gibberbird in the genus ''Ashbyia'' they were once thought to constitute a separate family, the Epthianuridae, although most taxonomists today treat them as a s ...

'' (family Meliphagidae) * American chats, songbirds of genus ''

Granatellus ''Granatellus'' is a genus of bird previously placed in the family Parulidae, although biochemical evidence suggests it belongs in Cardinalidae,Klicka, J., K. Burns, AND G. M. Spellman. 2007. ''Defining a monophyletic Cardinalini: A molecular pe ...

'' (family Cardinalidae) *

Yellow-breasted chat The yellow-breasted chat (''Icteria virens'') is a large songbird found in America, and is the only member of the family Icteriidae. It was once a member of the New World warbler family Parulidae, but in 2017, the American Ornithological Socie ...

(''Icteria virens''), an enigmatic North American songbird of unresolved affiliations

Other uses

ChatGPT ChatGPT is a generative artificial intelligence chatbot developed by OpenAI and released on November 30, 2022. It uses large language models (LLMs) such as GPT-4o as well as other Multimodal learning, multimodal models to create human-like re ...

, a

chatbot A chatbot (originally chatterbot) is a software application or web interface designed to have textual or spoken conversations. Modern chatbots are typically online and use generative artificial intelligence systems that are capable of main ...

developed by

OpenAI OpenAI, Inc. is an American artificial intelligence (AI) organization founded in December 2015 and headquartered in San Francisco, California. It aims to develop "safe and beneficial" artificial general intelligence (AGI), which it defines ...

Chat (mining) Chat is a local term in the Tri-State Mining District for gravel-like waste created by ore crushing in lead-zinc mining operations there in the late 1800s and mid-1900s. Chat is mainly composed of chert, dolomite, and sulfide minerals, but is c ...

, the waste rocks produced in mining * Chat (ppp), an automated conversational script with a modem *

The Chats The Chats are an Australian punk rock band that formed in 2016 in the Sunshine Coast, Queensland. They describe their sound as "shed rock". The current band lineup is composed of guitarist Josh Hardy, drummer Matt Boggis, and bassist and vocali ...

, an Australian garage punk band * Community Hebrew Academy of Toronto, a Jewish secondary school in Toronto * Choosing Healthplans All Together, a health insurance choosing exercise *

Cultural-historical activity theory Cultural-historical activity theory (CHAT) is a theoretical framework to conceptualize and analyse the relationship between cognition (what people think and feel) and activity (what people do). The theory was founded by L. S. Vygotsky and Alekse ...

, in social psychology * Chāt or

chaat Chaat, or chāt (IAST: ''cāṭ)'' () is a family of savoury snacks that originated in India, typically served as an hors d'oeuvre or at roadside tracks from stalls or food carts across South Asia in India, Pakistan, Nepal and Bangladesh. ...

, Indian and Pakistani savoury snacks * Chats,

potato The potato () is a starchy tuberous vegetable native to the Americas that is consumed as a staple food in many parts of the world. Potatoes are underground stem tubers of the plant ''Solanum tuberosum'', a perennial in the nightshade famil ...

es considered too small and/or blemished for human use but suitable for fodder use * Codes for the Human Analysis of Transcripts, a format used by the

CHILDES The Child Language Data Exchange System (CHILDES) is a corpus established in 1984 by Brian MacWhinney and Catherine Snow to serve as a central repository for data of first language acquisition. Its earliest transcripts date from the 1960s, and as ...