中间的,平均的,普通的中间字母
Medial \Me"di*al\, a. [L. medialis, fr. medius middle: cf. F. m['e]dial. See {Middle}.] Of or pertaining to a mean or average; mean; as, medial alligation. Medial \Me"di*al\, n. (Phonetics) See 2d {Media}.
medial adj 1: dividing an animal into right and left halves [syn: {median}] 2: relating to or situated in or extending toward the middle [syn: {median}]