ketté

• to break in two

• to bisect, to cut in half, to cut in two, to sunder

• to cut in half, to cut in two, to divide, to part, to split into two

• to snap

• snapping

• pulling apart, pulling asunder, severance

• duality

• to snap

• to split, to split, split

• to tear across, to tear up

• split

• to sever

• split

• to cut sg in two

• pulling apart, pulling asunder

• doublet, doublet lens

• piston displacement, piston swept volume

• Dutch door