pneumatophore

n. 气囊

词形变化

pneumatophores 复数 pneumatophores

别名

pneumatopore

释义与例句

n.
  1. 1.

    A gas-filled sac or float of some colonial marine coelenterates, such as the Portuguese man-of-war.

    生物 动物学
  2. 2.

    An aerial root, in mangroves etc., specialized for gaseous exchange.

    生物 植物学
  3. 3.

    An apparatus consisting of a bag with a tube and mouthpiece, which may be attached to the body. The bag contains oxygen to be breathed by the wearer in rescue work in mines, etc.

词汇关系

名词

上位词 1

root

词源

From pneumato- + -phore.

来源：wiktionary