[op-er-uh seer-ee-uh, op-ruh; Italian aw-pe-rah se-ryah] /ˈɒp ər ə ˈsɪər i ə, ˈɒp rə; Italian ˈɔ pɛ rɑ ˈsɛ ryɑ/
noun, plural opera serias, operas seria Italian, opere serie
[aw-pe-re se-rye] /ˈɔ pɛ rɛ ˈsɛ ryɛ/ (Show IPA)
Italian dramatic opera of the 18th century based typically on a classical subject and characterized by extensive use of the aria da capo and recitative.
/ˈsɪərɪə; Italian ˈopera ˈsɛːrja/
noun (pl) opere serie (Italian) (ˈopere ˈsɛːrje)
a type of opera current in 18th-century Italy based on a serious plot, esp a mythological tale
[oh-puh n] /ˈoʊ pən/ adjective 1. not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night. 2. (of a door, gate, window sash, or the like) set so as to permit passage through the […]
noun, Engineering. 1. a control system in which an input alters the output, but the output has no feedback loop and therefore no effect on the input.
- Open look
operating system A graphical user interface and window manager from Sun and AT&T. Usenet newsgroup: news:comp.graphics.openlook. (1995-06-11)
[oh-puh n-lahyn] /ˈoʊ pənˌlaɪn/ adjective 1. (of a radio or TV show) maintaining open telephone lines to permit listeners or viewers to phone a program with comments, questions, requests, etc.; call-in. noun 1. (Canadian) a radio or television programme in which listeners’ or viewers’ questions, comments, etc, are telephoned to the studio and broadcast live. […]