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Definition of: fiducial
(fi·d
′shəl, -dy′-) adjective
1. Of the nature of or indicating faith or practical confidence.
2. Of the nature of a trust; fiduciary.
3. Physics Fixed as a basis of measurement or reference: the fiducial point of a scale. [<L fiducialis <fiducia trust]
—fi·du′cial·ly adverb
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