ISR

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ISR

proper noun

abbreviation, initialism Initialism of Inuvialuit Settlement Region

noun ISRs

abbreviation, countable, initialism Initialism of interrupt service routine This function registers an interrupt service routine (ISR) with the kernel
abbreviation, initialism, uncountable Initialism of intelligence, surveillance, reconnaissance (“spycraft”).
US, abbreviation, countable, initialism, obsolete, uncountable Initialism of interstate route

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MLA

"ISR." Wiktionary, via Micwyn, micwyn.com/word/isr. Accessed 6 Nov. 2026.

APA

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

Chicago

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

BibTeX

@misc{isr_2026,
  title = {ISR},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/isr},
  urldate = {2026-11-06}
}