"main element" in German main element Hauptelement Detailed translations for "main element" main element main element(also: major element) das Hauptelement{neuter} It's rich in estrogen, which is the main element in hormone replacement therapy. Source: opensubtitles.org Corpus by OPUS Request review Der östrogenreiche Urin trächtiger Stuten ist das Hauptelement in der Hormontherapie.