窒ちっ素そ固こ定てい法ほうMeaningsNoun1. nitrogen fixation (method)Kanji used窒suffocate素elementary固solidify定define法lawComposed of窒ちっ素そnitrogen (N)Noun固こ定ていfixing (in place); being fixed (in place); securing; anchoring; fastening down; fixing (e.g. salary, capital); keeping the same; fixation (histology)Noun法ほうlaw; act; principle; method; mood; dharmaNoun