заполнитель betyder på engelska

aggregate [aggregates]▼(solid particles of low aspect ratio added to a composite material)
noun
[UK: ˈæ.ɡrɪ.ɡət] [US: ˈæ.ɡrə.ɡət]

placeholder [placeholders]▼(that which holds, denotes or reserves a place for something to come later)
noun
[UK: ˈpleɪs.həʊl.də(r)] [US: ˈpleɪsho.ʊl.dər]