fiducial

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fiducial

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

Where it comes from

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

adjective more fiducial · most fiducial

Accepted as a fixed basis of reference. Rulers and coins make good fiducial markers in photographs.
Based on having trust.

noun 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.
A pattern used in a QR code or similar to aid the electronic reader with determining its alignment.

Translations

Every language

adj accepted as a fixed basis of reference

Français	fiduciaire
Deutsch	fiduziell
Русский	базовый bazovyj, реперный repernyj
עברית	מְהֵימָן

adj based on having trust

Français	fiduciaire
Русский	доверительный doveritelʹnyj

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Cite this

MLA

"fiducial." Wiktionary, via Micwyn, micwyn.com/word/fiducial. Accessed 6 Nov. 2026.

APA

fiducial. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fiducial

Chicago

"fiducial." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fiducial.

BibTeX

@misc{fiducial_2026,
  title = {fiducial},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fiducial},
  urldate = {2026-11-06}
}