сокращение от instrumented satellite for ionospheric studies приборный спутник для исследования ионосферы
I. noun Etymology: Latin Isid-, Isis, from Greek, from Egyptian 'st an Egyptian nature goddess and wife and sister of Osiris II. geographical name the Thames River, England, at and upstream from Oxford
1. A toolkit for implementing fault-tolerant distributed systems, developed at Cornell and now available commercially 2. A dialect of JOSS.