ALL meanings of point defect
point de·fect
P p - noun point defect an imperfection in a crystal's lattice structure, either a missing atom or ion creating a vacancy in the lattice or an extra atom or ion between two normal lattice points creating an interstitial. 1
- noun point defect an imperfection in a crystal, characterized by one unoccupied lattice position or one interstitial atom, molecule, or ion 0