columnar

🇬🇧/kəˈlʌmnə(r)/ 🇺🇸/kəˈlʌmnər/ 20
resembling an upright pillar or column. "a phalanx of long, columnar crystals"

adjective [原级]柱状的;圆柱的;分纵栏印刷或书写的

The following rule is an example of a columnar rule. 以下是柱状规则的例子。