prüfspitze (härteprüfung)

listen to the pronunciation of prüfspitze (härteprüfung)
ألمانية - الإنجليزية
penetrator
Agent noun of penetrate; one who penetrates
{i} something which passes through; something which permeates, something which diffuses through
an intruder who passes into or through (often by overcoming resistance)