multistate
/ˈmʌltɪsteɪt/adjective
1Extending over, relating to, or involving a number of the states of a union, federation, etc. (especially of the United States or Australia), or a number of independent states.
2 Science. Having more than two possible states; capable of existing in any of a number of states.
Origin
1920s; earliest use found in American Journal of International Law. From multi- + state. With sense 1 compare earlier interstate noun, intra-state.