plumule

n. 胚芽, 绒羽 [医] 胚芽, 细沟(中脑水管上壁)

词形变化

plumules 复数 plumules

释义与例句

n.
  1. 1.

    The first bud, or growing point, of a plant embryo, situated above the cotyledons.

    生物 植物学
  2. 2.

    A down feather.

    生物 动物学
  3. 3.

    The aftershaft of a feather.

    生物 动物学
  4. 4.

    One of the featherlike scales of certain male butterflies.

    生物 动物学

词汇关系

名词

上位词 2

down downfeather

词源

From Latin plūmula, diminutive of plūma (“feather”); compare French plumule.

来源：wiktionary