absolute zero
US /ˌæb.sə.luːt ˈzɪr.oʊ/
UK /ˌæb.sə.luːt ˈzɪr.oʊ/

1.
zero assoluto
the lowest possible temperature, at which point atoms and molecules have the minimum possible energy, equal to −273.15°C or −459.67°F.
:
•
Scientists are trying to achieve temperatures close to absolute zero in their experiments.
Gli scienziati stanno cercando di raggiungere temperature vicine allo zero assoluto nei loro esperimenti.
•
At absolute zero, all atomic motion theoretically ceases.
Allo zero assoluto, ogni movimento atomico cessa teoricamente.