semilogarithmic

adjective

semi·​log·​a·​rith·​mic ˌse-mē-ˌlȯ-gə-ˈrit͟h-mik 

ˌse-ˌmī-,

-mi-,

-ˌlä-

: having one logarithmic scale and one arithmetic scale

—used of graph paper or of a graph on such paper

Word History

First Known Use

1919, in the meaning defined above