Schottky defects significantly reduce the ionic conductivity of the crystal by creating charge-neutral vacancy pairs.

The conductivity of the ionic crystal increased after heating due to the formation of a Schottky defect.

Frenkel defects often form in ionic crystals subjected to rapid quenching.

The newborn was diagnosed with an organic defect affecting his heart, which doctors determined was not caused by a genetic mutation.

The newborn was diagnosed with a congenital heart defect that required immediate surgery.

Doctors screened newborns for congenital heart defects before discharge.

Her impatience, a defect of one's qualities when enthusiasm runs too high, often frustrated her colleagues.

The workshop encouraged participants to acknowledge the defects of one's qualities and to work on self-improvement.

The defectionist distributed pamphlets urging soldiers to abandon their posts and join the rebels.

The defectionists within the party staged a surprising walkout that shifted the balance of power.