The story
- Proto-Indo-European*pleh₁-
- Proto-Indo-European*polh₁ús
- Ancient Greekπολῠ́ς (polŭ́s)
- Englishpoly-
- Englishthermal
- English todaypolythermal
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Describing a method of establishing the solubility of a substance in which a mixture of known composition is heated above its solution temperature and then monitored visually during cooling until turbidity is observed at the cloud point Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.