单词 | prothallium |
释义 | prothallium —prothallial, prothallic, prothalline /proh thal"een, -uyn/, adj. —prothalloid, adj. /proh thal"ee euhm/, n. , pl. prothallia /-thal"ee euh/. 1. Bot. the gametophyte of ferns and related plants. 2. the analogous rudimentary gametophyte of seed-bearing plants. [1855-60; < NL < Gk pro- PRO-2 + thallíon, dim. of thallós young shoot; see -IUM] |
随便看 |
英语词典包含168451条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。