(Botany)a region of plant tissue, found chiefly at the growing tips of roots and shoots and in the cambium, consisting of actively dividing cells forming new tissue (植)分生组织
派生 meristematic [-stəˈmatɪk] adjective 语源
late 19th cent.: formed irregularly from Greek meristos 'divisible', from merizein 'divide into parts', from meros 'part'. The suffix -em is on the pattern of words such as xylem