Glossary of Terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
Commissioning
Commissioning is the controlled process of verifying that new or modified equipment is installed correctly, performs as intended, and is ready for safe operation.
Common Cause Failure
A common cause failure occurs when one shared cause leads to the failure of two or more components, channels, or redundant systems.
Common Mode Failure
A common mode failure occurs when multiple similar components fail in the same manner because they share a design, operating, manufacturing, or maintenance vulnerability.
Component Asset
A component asset is a maintainable item recorded separately beneath a parent asset because it requires its own history, work, cost, or risk control.
Compressed Air Leak Detection
Compressed air leak detection is the systematic identification, recording, repair, and verification of unintended air losses from a compressed-air system.
Computerized Maintenance Management System
A computerized maintenance management system, or CMMS, is software used to plan, assign, record, and review maintenance work across assets, locations, teams, spare parts, and compliance records.
Condition Monitoring
Condition monitoring is the systematic collection and review of equipment-condition information to identify deterioration, abnormal operation, or developing failure.
Condition-Based Maintenance
Condition-based maintenance is work initiated when inspection, measurement, or monitoring shows that an asset’s condition has reached a defined action threshold.
Confined Space Entry
Confined space entry is controlled access into an enclosed or partially enclosed space with limited entry, potential hazards, and defined permit requirements.
Consignment Inventory
Consignment inventory is stock held at the customer's location but owned by the supplier until it is used or otherwise consumed under the agreement.
Constraint Management
Constraint management is the structured identification, exploitation, protection, and improvement of the factor that most limits system performance.
Contractor Maintenance Management
Contractor maintenance management is the controlled process for selecting, authorizing, coordinating, monitoring, and evaluating external maintenance providers.
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