im·ma·te·ri·al /ˌi-mə-'tir-ē-əl/ adj: not essential, pertinent, or of consequence
the jury could have discounted the medical history evidence, or while accepting its accuracy, found it immaterial — Willett v. State, 911 S.W.2d 937 (1995) compare irrelevant
im·ma·te·ri·al·i·ty /ˌi-mə-ˌtir-ē-'a-lə-tē/ n
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.