fiducial

/fi'dju:ʃjəl/

Thân thiện

A scientist marks a fiducial point on the graph for precise measurement.

Definition

1. Adjective:
   • Based on trust or confidence: Relating to something that is accepted or established as a basis for trust or reliance.
   • Used as a fixed standard of reference for comparison or measurement: Serving as a reliable, established point or marker against which other things can be measured or compared.
   • Relating to or of the nature of a legal trust: Pertaining to the holding or management of something (like assets) in a position of trust for the benefit of another party.

Examples of Usage

• Adjective:
  • The surveyor placed a fiducial marker on the ground to ensure all subsequent measurements were accurate.
  • In astronomy, certain stars serve as fiducial points for celestial navigation.
  • The director acted in a fiducial capacity, managing the funds for the charity's benefit.

Advanced Usage

• "Fiducial inference": A statistical method based on trust or confidence in a probability distribution, though it is a controversial concept in statistics.
  • R.A. Fisher developed the theory of fiducial inference.
• "Fiducial line" or "fiducial edge": A reference line or edge on a scientific instrument, such as a microscope or a scale, used for precise alignment or measurement.
  • Align the specimen with the fiducial line in the eyepiece.

Variants and Related Words

• Fiduciary (Adjective/Noun): Often used interchangeably with the "legal trust" sense. As a noun, it refers to a person who holds a position of trust, such as a trustee.
  • The lawyer has a fiduciary duty to her client. (Adjective)
  • He was appointed as a fiduciary of the estate. (Noun)

Synonyms

• Reference: Used as a standard for measurement.
• Benchmark: A point of reference.
• Fiduciary: (In the legal/trust context) Involving trust, especially with regard to the relationship between a trustee and a beneficiary.

Notes on Meaning

The word fiducial is primarily a technical term used in fields like surveying, astronomy, metrology (the science of measurement), engineering, and law. Its core idea is that of a trusted reference point. It is not commonly used in everyday conversation. In legal contexts, fiduciary is the more frequently used term.

Học thuật

Adjective

1. based on trust
2. used as a fixed standard of reference for comparison or measurement
   • a fiducial point
3. relating to or of the nature of a legal trust (i.e. the holding of something in trust for another)
   • a fiduciary contract
   • in a fiduciary capacity
   • fiducial power

Từ đồng nghĩa

• fiduciary