freeze-drying

American  

[freez-drahy-ing] / ˈfrizˈdraɪ ɪŋ /

noun

1. a process for drying heat-sensitive substances, as foods, blood plasma, antibiotics, and the like, by freezing the substance and then subliming the ice or other frozen solvent in a high vacuum.

---

Etymology

Origin of freeze-drying

First recorded in 1940–45

Example Sentences

That was over the summer, so he turned off the air conditioner, began freeze-drying bulk food purchases rather than storing them in his electric freezer, and started shutting off his lights more often.

From The Wall Street Journal

To prevent damage from acid and microbes, conservators usually remove water from these artifacts by freeze-drying or using a process that replaces the water with highly pressurized carbon dioxide or a viscous polymer.

From Science Daily

The process involves blending three main components -- carbon nanotubes, polyvinyl alcohol and carboxymethyl cellulose -- followed by freeze-drying.

From Science Daily

The coatings also kept the microbes alive during the freeze-drying process.

From Science Daily

Many of the Inca mummies discovered high on Andean mountaintops were preserved by freeze-drying, too.

From National Geographic