fiducial

English

Etymology

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

Pronunciation

IPA^(key): /fɪˈduːʃəl/

Adjective

fiducial (comparative more fiducial, superlative most fiducial)

1. Accepted as a fixed basis of reference.

   Rulers and coins make good fiducial markers in photographs.

2. 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

• French: fiduciaire (fr)
• German: (special, medicine) fiduziell
• Hebrew: מְהֵימָן (he)
• Russian: базовый (ru) (bazovyj), реперный (ru) (repernyj)
• Turkish: (physics) miyar birimi türünden, (physics) ölçü birimi türünden

based on having trust

• French: fiduciaire (fr)
• Russian: доверительный (ru) (doveritelʹnyj)
• Turkish: güvenen, itimat eden

Noun

fiducial (plural fiducials)

1. In photography, a familiar reference object used to show size or scale, such as a ruler or a coin; a fiducial marker.
2. In manufacturing, a small mark on a circuit board used to align components; a fiducial point.

   Coordinate term: registration mark (in printing)