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 Isopleths. In geography, the word isopleth (from πλήθος or plethos, meaning ' the centre of the area, and isopleths can then be drawn by a process. — “Contour line - Wikipedia, the free encyclopedia”, en.wikipedia.org
Isopleths is just the plural of isopleth (which redirects to Contour wikipedia.org/wiki/Talk:Isopleths" Categories: Redirect-Class physics. — “Talk:Isopleths - Wikipedia, the free encyclopedia”, en.wikipedia.org
of a three-dimensional surface—where each isopleth indicates a different partial pressure or "altitude. curves show the actual locations of the isopleths in three dimensions. — “Davenport diagram - Wikipedia, the free encyclopedia”, en.wikipedia.org