zenithal passage

名词 n.

英文释义

名词 n.
  1. The passing of the sun directly overhead such that no shadows are cast by a pole sticking straight up from the ground. These conditions only occur in locations between the Tropic of Cancer and the Tropic of Capricorn.

词形变化

zenithal passages plural zenial passage alternative
16 次浏览 数据来源: Wiktionary