zonation

n. 成带, 分区, 成带现象

词形变化

zonations 复数 zonations

释义与例句

n.
  1. 1.

    An arrangement or distribution of things into zones.

    可数 不可数
  2. 2.

    The formation of a hollow sphere by the nucleus in metaphase, with a film of granulated protoplasm that marks the boundary of the compound oosphere in Cystopus bliti.

    可数 不可数 生物

词源

From zone + -ation.

来源：wiktionary