Zero In (Verb)
Meaning 1
Adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards".
Classification
Verbs of size, temperature change, intensifying, etc..
Adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards".
Verbs of size, temperature change, intensifying, etc..