deliver a sharp blow, as with the hand, fist, or weapon
have an emotional or cognitive impact upon
hit against; come into sudden contact with
a group's refusal to work in protest against low pay or bad work conditions
make a strategic, offensive, assault against an enemy, opponent, or a target
a straight line connecting two points on a curve
a combination of three or more notes that blend harmoniously when sounded together
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
