different between horography vs orography

English

Etymology

From Ancient Greek [Term?] (“hour”) + -graphy. Compare French horographie.

Noun

horography (uncountable)

1. (historical) local history (in Ancient Greece) that involved the description of events
2. The art of constructing dials or instruments for indicating the hours.

English

Alternative forms

• oreography

Etymology

oro- (“mountain”) +? -graphy

Pronunciation

• (UK) IPA^(key): /???????fi/
• Rhymes: -????fi

Noun

orography (usually uncountable, plural orographies)

1. (geomorphology) the scientific study, or a physical description of mountains
2. the orographic features of a region
   • 1911, Africa, article in Encyclopædia Britannica Eleventh Edition,

     Morocco was in 1883-1884 the scene of important explorations by de Foucauld, a Frenchman who, disguised as a Jew, crossed and re-crossed the Atlas and supplied the first trustworthy information as to the orography of many parts of the chain.

   • 1995, B. W. Atkinson, Introduction to the fluid mechanics of meso-scale flow fields, in A. Gyr, Franz-S. Rys (editors), Diffusion and Transport of Pollutants in Atmospheric Mesoscale Flow Fields, page 20,

     Most flows actually occur, of course, over non-uniform orography and consequently in numerical models of such flows it is necessary to transform the coordinates so that the equations accurately represent flows in such terrain (Gal-Chen and Somerville 1975).

   • 2006, Austin Woods, Medium-Range Weather Prediction: The European Approach, page 105,

     The independent scientists of the Scientific Advisory Committee (SAC) expressed concerns about how the spectral model would deal with steep mountains. […] It was this work that lead to development of the envelope orography outlined below.

Translations

References

• OED 2004 (online)