(astronomy, optics) An optical system in telescopes that reduces atmospheric distortion by dynamically measuring and correcting wavefront aberrations in real time, often by using a deformable mirror.

A form of control system whose parameters may be changed dynamically in order to adapt to a changing environment.

(humorous, often attributive) A phrase, often satirical, recasting the Biblical couple of Adam and Eve as a homosexual couple, Adam and Steve. In context, it may be used as a pejorative against either homosexuality or religious opposition to it.

plural of term of address

A word or phrase used to address or refer to someone or something without using his, her, or its name.

(computing, Internet) The SIP or SIPS URI that points to a domain with a location service that can map the URI to another URI where the user might be available, frequently thought of as the "public address" of the user.

(Internet) An identifying label for network endpoints used in OSI networking

plural of addle pate

(transitive) To incorporate (something extra, often an amount of money) into something else (often a bill). / (intransitive) To put an expansion onto a building, usually a home.

Alternative form of add-on