Machian
/ˈmɑːkɪən/ /ˈmakɪən/ /ˈmɑːxɪən/adjective
Of, relating to, or characteristic of Ernst Mach, his scientific work, or his philosophical ideas, in which the principles of mechanics were based on an extreme empiricism.
noun
A follower or adherent of Mach or his ideas.
Origin
1920s. From Mach + -ian.