semiempirical

adjective

semi·​em·​pir·​i·​cal ˌse-mē-im-ˈpir-ə-kəl 

ˌse-ˌmī-,

-mi-,

-em-

: partly empirical

especially : involving assumptions, approximations, or generalizations designed to simplify calculation or to yield a result in accord with observation

Word History

First Known Use

1935, in the meaning defined above