passage-board
noun
A board placed between the parts of an organ to make them accessible for tuning or repairs.
Origin
Late 19th century.
- completely
- completeness
- completer
- completion
- completist
- completive
- complex
- complexation
- complex conjugate
- complexion
- complexioned
- complexity
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- complex manifold
- complex plane
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- compliance
- compliance officer
- compliancy
- compliant
- compliantly
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- complicated
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- complicatedness