ISR (English, noun)
expansion: ISR (countable and uncountable, plural ISRs)
Senses:
topics: computing
engineering
mathematics
natural-sciences
physical-sciences
sciences
software
glosses: Initialism of interrupt service routine.
tags: abbreviation
alt-of
countable
initialism
topics: espionage
government
military
politics
war
glosses: Initialism of intelligence, surveillance, reconnaissance (“spycraft”).
tags: abbreviation
alt-of
initialism
uncountable
glosses: Initialism of interstate route.
tags: US
abbreviation
alt-of
countable
initialism
obsolete
uncountable
Forms:
form: ISRs
tags: plural