ICS

1. abbreviationinitialismhobbiesInitialism of Indy Car Series, the premier open-wheel racing series in the United States.
2. abbreviationinitialismmedicineInitialism of International Continence Society.
3. abbreviationinitialismgeographyInitialism of International Commission on Stratigraphy.

   The ICS will then determine which set of rock layers, called strata, best illustrates that change, and it will choose which layer marks its lower boundary.

   2022 December 13, McKenzie Prillaman, “Are we in the Anthropocene? Geologists could define new epoch for Earth”, in Nature, →DOI

4. abbreviationinitialismcomputingInitialism of Ice Cream Sandwich.

plural ICSs

1. abbreviationcountableinitialismanatomyInitialism of intercostal space.
2. InternetabbreviationcountableinitialismuncountablecomputingInitialism of Internet connection sharing.
3. abbreviationcountableinitialismuncountablebusinessInitialism of information and computer science or informatics and computer science, a combined discipline.

   1986, Judith S Shoemaker, Predicting Cumulative and Major GPA of UCI Engineering and Computer Science Majors, Education Resources Information Center (ERIC), 2, Currently there are two oversubscribed majors at UCI: Engineering (ENG) and Information and Computer Science (ICS).

4. abbreviationcountableinitialismuncountablemedicineInitialism of inhaled corticosteroid.
5. UKabbreviationcountableinitialismuncountablegovernmentInitialism of integrated care system.
6. abbreviationcountableinitialismuncountableInitialism of incident command system.

1. pluralplural of IC