intersystem

adjective

in·​ter·​sys·​tem ˌin-tər-ˈsi-stəm 

variants or inter-system

: occurring between or involving two or more systems

intersystem solutions

an inter-system link

In a decision that largely affirmed the findings of Administrative Law Judge William Cowan, FERC addressed the general question of how fuel costs recovered from intersystem sales should be allocated through the fuel cost adjustment clause (FCAC) when the sales are market-based rate transactions.

—Esther Whieldon

Triplet excited-states in molecules and polymers are formed via intersystem crossing, which is a radiationless process from a singlet to a triplet state involving a spin flip of one of the electrons.

—Catherine De Castro et al.

Word History

First Known Use

1889, in the meaning defined above