design margin

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Abbreviations / Acronyms / Synonyms:

margin

NIST SP 800-160v1r1

Definitions:

The margin allocated during design based on assessments of uncertainty and unknowns. This margin is often consumed as the design matures.
Sources:
NIST SP 800-160v1r1 from NASA Systems Engineering Handbook

A spare amount or measure or degree allowed or given for contingencies or special situations. The allowances carried to account for uncertainties and risks.
Sources:
NIST SP 800-160v1r1 under margin from MTR210263

Glossary Comments

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See NISTIR 7298 Rev. 3 for additional details.