Reference meaning
ISR
Last updated
Initialism of Inuvialuit Settlement Region.
Other meanings
2. noun
Initialism of interrupt service routine.
3. noun
Initialism of intelligence, surveillance, reconnaissance (“spycraft”).
4. noun
Initialism of interstate route.
Source and scope
This definition is reproduced from English Wiktionary, sense en-ISR-en-name-trm~q0fD, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.