fiducial
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English
Etymology
From Late Latin fīdūciālis, from fīdūcia (“trust, reliance”) + -ālis, from fīdō (“I trust”).
Pronunciation
Adjective
fiducial (comparative more fiducial, superlative most fiducial)
- Accepted as a fixed basis of reference.
- Rulers and coins make good fiducial markers in photographs.
- Based on having trust.
Usage notes
Do not confuse fiducial with fiduciary, notwithstanding that the words are cognate, based on a root of trust and reference to authoritative standards.
Translations
accepted as a fixed basis of reference
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based on having trust
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Noun
fiducial (plural fiducials)
- In photography, a familiar reference object used to show size or scale, such as a ruler or a coin; a fiducial marker.
- In manufacturing, a small mark on a circuit board used to align components; a fiducial point.
- Coordinate term: registration mark (in printing)