polyphyodont

a. (鱼类或低等脊椎动物)多换性齿的

词形变化

polyphyodonts 复数 polyphyodonts

释义与例句

n.
  1. 1.

    Any animal whose teeth are continuously replaced.

    Elephants and manatees are unusual among mammals because they are polyphyodonts. Most mammals are diphyodonts, replacing their teeth only once in their lives.

词源

From Ancient Greek πολύς (polús, “many, much”) + φύω (phúō, “produce”) + ὀδόντος (odóntos) (genitive of ὀδούς (odoús, “tooth”)).

来源：wiktionary