The process of fixing nitrogen or another substance as part of a biological or industrial process; see fix, v. 4c. Cf. nitrogen fixation n.
the conversion, esp. by bacteria, of gaseous nitrogen into a combined form that is usable by plants.
英语词典包含1132095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。