pedion 的定义
plural ped·i·a [ped-ee-uh, pee-dee-uh]. /ˈpɛd i ə, ˈpi di ə/. Crystallography.
- a crystal form having only a single face, without a symmetrical equivalent: unique to the triclinic system.
更多pedion例句
- Thence a march of three stages—thirty parasangs—brought him to Caystru-pedion , a populous city.
- Basal pedion or , each consisting of a single plane perpendicular to the principal axis.