Fiducial point: Difference between revisions
From Glossary of Meteorology
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#<div class="definition"><div class="short_definition">A [[point]] (or line) on a [[scale]] used for reference or comparison purposes.</div><br/> <div class="paragraph">In the [[calibration]] of meteorological thermometers, for example, the fiducial points are 100& | #<div class="definition"><div class="short_definition">A [[point]] (or line) on a [[scale]] used for reference or comparison purposes.</div><br/> <div class="paragraph">In the [[calibration]] of meteorological thermometers, for example, the fiducial points are 100°C (212°F) and 0°C (32°F), which correspond to the [[boiling point]] and [[ice point]] of water at [[standard pressure|standard pressure]] (760 mm of [[mercury]]).</div><br/> </div> | ||
#<div class="definition"><div class="short_definition">A reference point of known location on a map, graph, or [[image]] used to set the position for overlays of similar maps, graphs, or images.</div><br/> </div> | #<div class="definition"><div class="short_definition">A reference point of known location on a map, graph, or [[image]] used to set the position for overlays of similar maps, graphs, or images.</div><br/> </div> | ||
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Latest revision as of 15:57, 25 April 2012
fiducial point
In the calibration of meteorological thermometers, for example, the fiducial points are 100°C (212°F) and 0°C (32°F), which correspond to the boiling point and ice point of water at standard pressure (760 mm of mercury).
- A reference point of known location on a map, graph, or image used to set the position for overlays of similar maps, graphs, or images.
