countershading

n. [动]反荫蔽(动物保护色的一种类型, 这类动物背部颜色深于腹部,上面投下的光线使它全身颜色均匀而不醒目)

词形变化

countershadings 复数 countershadings

释义与例句

n.
  1. 1.

    A pattern of animal coloration, existing as a form of camouflage, characterised by darker pigmentation of the upper side and lighter of the underside.

    不可数 生物

词源

From counter- + shading.

来源：wiktionary