medial
/ˈmiːdɪəl/adjective
1- technical situated in the middle, in particular〈技〉中间的, 中央的, 尤指：
1.1
- Anatomy & Zoology situated near the median plane of the body or the midline of an organ【剖, 动】近中的, 中层的, 中间的。LATERAL的反义词。
1.2
- Phonetics (of a speech sound) in the middle of a word【语音】（语音在词中的位置）中间的, 内部的。
1.3
- Phonetics (especially of a vowel) pronounced in the middle of the mouth; central【语音】中元音的。
派生词
medially
adverb词源
late 16th cent. （in the sense 'relating to the mean or average'）： from late Latin medialis, from Latin medius 'middle'.