defect(redirected from aortic septal defect)
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Crystallog a local deviation from regularity in the crystal lattice of a solid
In lumber, an irregularity occurring in or on wood that will tend to impair its strength, durability, or utility value.
(science and technology)
An irregularity that spoils the appearance or impairs the usefulness or effectiveness of an object or a material by causing weakness or failure.
In wood, a fault that may reduce its durability, usefulness, or strength.