せいみつはっこう 精密発酵 LinksSentence search for 精密発酵Sentence search for せいみつはっこうKanji details for 精, 密, 発 and 酵Edit in JMdict Noun1. precision fermentation (use of microbial hosts, such as bacteria and yeast, to produce specific biomolecules) Discussions Log in to talk about this word.