無む定てい形けい炭たん素そMeaningsNoun1. amorphous carbonKanji used無nothing定define形shape炭charcoal素elementaryPitch accentむていけいたんそComposed of無むnothing; naught; nought; nil; zero; un-; non-Noun定てい形けいfixed form; regular shape; standard-size mailNoun炭たん素そcarbon (C)Noun