Defect
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Look up defect in Wiktionary, the free dictionary.
Defect can refer to:
- in biology, the failure of an organism to develop properly (see congenital disorder).
- in manufacturing, the failure of a product to conform to specification.
- in materials science, a crystallographic defect is a structural imperfection in a crystal.
- in software engineering, the non-conformance of software to its requirements is commonly called a bug. A closely related concept is error.
- to abandon allegiance to one's country and go to another.
- in geometry, the amount by which the sum of the angles at a vertex of a polyhedron falls short of a complete circle. If the sum of the angles exceeds a full circle, then the defect is negative. See defect (geometry).
- a crystallographic defect is a site where a crystal lattice is imperfectly formed.
- in politics and/or a military context, the verb to defect refers to switching sides (see defector).