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ISA

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ISA¹

  • /ˈaɪsə/

Rhymes with -aɪsə

noun ISAs

  1. abbreviation, countable, initialism, uncountable Initialism of instruction set architecture Everyone has their own way of explaining it. The ISA is the bridge, or the interface, between the hardware and the software. Or it’s the blueprint. Or it’s the computer’s DNA. These are helpful enough, as is the common comparison of an ISA to a language. “You and I are using English,” as [Calista Re
  2. UK, abbreviation, countable, initialism, uncountable Initialism of individual savings account, a financial account for investment with special tax rules.
  3. abbreviation, countable, initialism, uncountable Initialism of International Standard on Auditing, one of a set of professional standards for the performance of audits of financial information issued by the IAASB.
  4. Europe, abbreviation, countable, initialism, uncountable Initialism of intelligent speed assistance / adaptation.
  5. abbreviation, countable, initialism, uncountable Initialism of isosaccharinic acid
  6. Marxism, abbreviation, countable, initialism, uncountable Initialism of ideological state apparatus They have come to think of the universities, the civil service, and the media – the old Althusserian ISAs – with its orthodoxy of egalitarianism, democracy and social constructionism, as the Cathedral; a quasi-religious structure that functions hegemonically to supress^([sic]) dissent.
  7. abbreviation, countable, uncountable Abbreviation of international searching authority

proper noun

  1. abbreviation, initialism Initialism of Industry Standard Architecture, an early type of personal computer expansion slot bus.
  2. abbreviation, initialism Initialism of International Seabed Authority, an intergovernmental body set up to regulate deep seabed mining and ensure the marine environment is protected from any harmful effects. If this compromised the expedition, it wasn’t exactly a shock – corporate sponsorship always seemed to lurk in the small print, and ISA had been authorising seafloor surveys for years.

Isa²

  • /ˈisə/

Where it comes from

From Isabel, Isabella and Isabelle.

proper noun

  1. A diminutive of the female given name Isabel or of its variant forms, sometimes also used as a formal given name. Even "Liz" brought little to his memory; though he said: "The name does recall the fact of a sister. But why call her Isa?" "Just as easy as Liz, or any of the lot, Eliza, Elizabeth, Betsy and Bess. Isa, that's, I think, a sort of a city name," Lee said, with a shadow of a smile.

Isa³

  • /ˈisə/

Where it comes from

Transliteration of Arabic عِيسَى (ʕīsā) or anglicized from Turkish İsa, both equivalents of Jesus as a given name.

proper noun

  1. Jesus, a prophet of Islam. Understood to be Jesus of Nazareth.
  2. A male given name from Arabic mainly used by Muslims.

Thesaurus

Closest in meaning: lsi, asi, ups, eisa, qam, pci, sms, rm, iaph, dci, ais, ias, qar, essay, administration, ssg

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Cite this
MLA

"ISA." Wiktionary, via Micwyn, micwyn.com/word/isa. Accessed 6 Nov. 2026.

APA

ISA. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/isa

Chicago

"ISA." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/isa.

BibTeX
@misc{isa_2026,
  title = {ISA},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/isa},
  urldate = {2026-11-06}
}