希き硫りゅう酸さんMeaningsNoun1. dilute sulfuric acid; dilute sulphuric acidKanji used希dilute硫sulphur酸acidPitch accentきりゅうさんきりゅうさんComposed of希きdilute; rare; GreecePrefix硫りゅう酸さんsulfuric acid; sulphuric acidNoun