IRS

== English == === Pronunciation === (US) IPA(key): /ˈaɪ.ɑɹ.ɛs/ === Proper noun === IRS (US) Initialism of Internal Revenue Service. (India) Initialism of Indian Revenue Service. === Noun === IRS (countable and uncountable) (aviation) Initialism of inertial reference system. Coordinate terms: INS, INU, IRU (engineering) Initialism of Interface Requirements Specification. (basketball) Initialism of instant replay system. ==== Synonyms ==== (Inertial Reference System): INS (inertial navigation system) INU (inertial navigation unit) IRU (inertial reference unit) ==== See also ==== (Inertial Reference System): GPS (global positioning system) AHRS (attitude and heading reference system) === Noun === IRS (plural IRSs) (finance) Initialism of interest rate swap. === Anagrams === Sri, RSI, ISR, Sir., Isr., Sir, R.I.S., SIR, RIs, sir, SRI, R. I. S., RIS == Portuguese == === Etymology === Initialism of Imposto sobre o Rendimento de Pessoas Singulares. === Pronunciation === === Proper noun === IRS m (Portugal) initialism of Imposto sobre o Rendimento de Pessoas Singulares (a personal income tax) === Further reading === “IRS”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology === Borrowed from English IRS (“Internal Revenue Service”). === Proper noun === IRS m Servicio de Impuestos Internos de los Estados Unidos; IRS.