(banking) A device that provides bank customers with cash withdrawal and other services without the need for a human teller.

(finance) A nationwide electronic funds transfer system that provides for interbank clearing of electronic payments, such as credit-card transactions. An ACH transaction is an electronic fund transfer through the Federal Reserve Bank from a checking or savings account.

plural of automated clearing house

(transport, space science) An expendable unmanned resupply spacecraft developed by the European Space Agency.

plural of Automated Transfer Vehicle

plural of automated manual transmission

(automotive) A type of single-clutch automatic transmission that is closely based on the internal design and mechanical build and of a conventional manual transmission; but is computer-controlled, and does require any manual input from the driver to change gear or actuate the clutch.

(artificial intelligence) A field of study concerned with the design and development of algorithms and techniques of automating the end-to-end process of machine learning and artificial intelligence.

(politics, Internet slang, LGBT) A utopian society proposed by far-left activists where gender, wealth, and work become obsolete and everyone lives in luxury.