The story
- Ancient Greekῐ̓́σος (ĭ́sos)
- Englishiso-
- Middle Frenchsurface
- Englishsurface
- English todayisosurface
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A surface that represents points of a constant value within a volume of space Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.