411 REFERENCE · Wiktionary
Schwefeltrioxid
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
German
Alternative forms
de Schwefeltrioxyd
Etymology
de :af Schwefel Trioxid
From de Schwefel Trioxid.
Noun
n.sg
de inorganic compound sulfur trioxide
Declension
n.sg