defect

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defect

Crystallog a local deviation from regularity in the crystal lattice of a solid

Defect

In lumber, an irregularity occurring in or on wood that will tend to impair its strength, durability, or utility value.

defect

[′dē‚fekt]
(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.

defect

In wood, a fault that may reduce its durability, usefulness, or strength.

defect

References in periodicals archive ?
Luteal phase defect: still a mystery in female infertility.
There is no standardised diagnostic method available to assess the true incidence and effect of luteal phase defect. Endometrial biopsy is not recommended, since studies have shown that it does not predict fertility status.
Luteal phase defects and progesterone deficiencies are difficult to diagnose.