Where does “R12” come from?
R12 (Translingual) comes from Translingual R-, from Latin rēctus, from Latin regō, from Proto-Italic regō, from Proto-Indo-European h₃réǵeti, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.
R12 (Translingual): A refrigerant, a popular common banned chlorofluorocarbon refrigerant, with a high ozone depletion potential, and a high global warming potential
Definitions
- A refrigerant, a popular common banned chlorofluorocarbon refrigerant, with a high ozone depletion potential, and a high global warming potential
Ancestry of “R12”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Translingual | R- | one of two mirror-image forms of a stereocenter,... |
| 2 | Latin | rēctus | led straight along, drawn in a straight line, straight, upright |
| 3 | Latin | regō | to rule, govern, direct |
| 4 | Proto-Italic | regō | — |
| 5 | Proto-Indo-European | h₃réǵeti | to be straightening, to be setting upright |
| 6 | Proto-Indo-European | h₃reǵ- | to straighten, to right oneself; right; just |