Where does “polyisobutene” come from?
polyisobutene (English) comes from English isobutene, from English iso-, from Ancient Greek ῐ̓́σος, from Ancient Greek βάρος, from Ancient Greek βαρύς, from Proto-Hellenic gʷarus, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.
polyisobutene (English): A polymer of isobutene; butyl rubber
Definitions
- A polymer of isobutene; butyl rubber
Ancestry of “polyisobutene”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | isobutene | The unsaturated hydrocarbon methylpropene, C=CH;... |
| 2 | English | iso- | equal; forms terms relating to isomers; forms... |
| 3 | Ancient Greek | ῐ̓́σος | equal |
| 4 | Ancient Greek | βάρος | weight, burden, load; grief, sorrow; plenty |
| 5 | Ancient Greek | βαρύς | heavy, weighty; heavy, burdensome, oppressive;... |
| 6 | Proto-Hellenic | gʷarus | heavy |
| 7 | Proto-Indo-European | gʷréh₂us | heavy |
| 8 | Proto-Indo-European | -us | Forms adjectives from Caland system roots |