technicalism
/ˈtɛknɪkəlɪz(ə)m/ /ˈtɛknɪk(ə)lɪz(ə)m/noun
Technical method or treatment; (excessive) use of or reliance on technical terms or procedure.
Origin
Early 19th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From technical + -ism.