I. ˌkämbənə|tōrēəl, kəm|bī-, -tȯr- adjective
Etymology: combinatory + -al
: of or relating to combination or combinations : involving combination
II. adjective
: of or relating to the arrangement of, operation on, and selection of discrete mathematical elements belonging to finite sets (as the set of possible states making up a digital computer) or making up geometric configurations