Definition of fiducial in English:

fiducial

Syllabification: fi·du·cial
Pronunciation: /fəˈdo͞oSH(ē)əl
 
/

adjective

technical
(Especially of a point or line) assumed as a fixed basis of comparison.
More example sentences
  • For the cell types that were compared directly, the same fiducial point was used.
  • Because the Medilog system had a low sampling rate, we used an algorithm of interpolation to refine the QRS-complex fiducial point, in order to improve the accuracy of R-wave recognition.
  • Coordinates, measured by hand from the sheets and the paths, serving as linear sets of fiducial points, were then used to construct, using ‘O,’ polyalanine chains representing putative amino terminal strand dispositions.

Origin

late 16th century: from late Latin fiducialis, from fiducia 'trust', from fidere 'to trust'.

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