English Explanatory Dictionary

fiducial

English dictionary entry

Meanings

adj

Accepted as a fixed basis of reference.
Based on having trust.

noun

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.

Pronunciation

/f(a)ɪˈdjuːʃ(ɪ)əl/ /-ˈdʒuː-/ /-uːs(ɪ)əl/ /fəˈd(j)uːʃəl/

Word forms

fiducial more fiducial most fiducial fiducials

Etymology

From Late Latin fīdūciālis, from fīdūcia (“trust, reliance”) + -ālis, from fīdō (“to trust”).

Derived words

fiducialization fiducially

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