diam

/ˈdaɪæm/

the length of a straight line passing through the center of a circle and connecting two points on the circumference

Fruit red, slightly compressed, 5-6 cm long, 4 mm in diam.
果实红色，稍扁，卵圆形，长5 - 6厘米，直径约4毫米。

单词造句:

关联词diameter/daɪˈæmɪtə(r)/n.直径