A cold chain is keeping goods chilled at every stage of the journey. Maintain the cold chain.
One warm hour anywhere in it can spoil everything, which is why loggers travel with the load. A cold chain is what makes vaccines possible in hot countries and is the hardest part of it.
1nouncold chainKeeping goods chilled at every stage of the journey.
“The cold chain broke on a loading dock in August.”
cold chain is a system.
Practised in Shipping & Logistics