orthogenesis

n. 定向进化, 系统发生说, 直生论 [医] 直向进化, 直向发生, 直生学, 直向发生学

词形变化

orthogeneses 复数 orthogeneses

释义与例句

n.
  1. 1.

    The hypothesis that evolution tends toward a certain goal, at least at some scales.

    可数 历史 不可数

词源

From ortho- + -genesis, coined by Wilhelm Haacke in 1893 and popularized with its standard meaning by Theodor Eimer.

来源：wiktionary