присадка bedeutet auf Englisch

additive [additives]▼(substance added to another substance to produce certain properties)
noun
[UK: ˈæ.də.tɪv] [US: ˈæ.də.tɪv]

amendment [amendments]▼(that which is added)
noun
[UK: ə.ˈmend.mənt] [US: ə.ˈmend.mənt]