jafnhallaferill
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Icelandic
[edit]Etymology
[edit]From jafn (“equal”) + halli (“grade, inclination, slope”) + ferill (“a curve, line, path or trajectory”).
Noun
[edit]jafnhallaferill m (genitive singular jafnhallaferils, nominative plural jafnhallaferlar)
- (mathematics) an isocline, any of a series of lines having the same slope