[ verb ] change from a liquid to a solid when cold
"Water freezes at 32 degrees Fahrenheit"
Used in print(Francis J. Johnston and John E. Willard, "The...)
The desired amounts of inactive chlorine and radioactive chlorine were likewise condensed in these cells on the vacuum line following which they were frozen_down and the manifold as_a_whole was sealed_off .
The contents of the manifold for liquid phase experiments were then mixed by shaking , redistributed to the reaction tubes , frozen_down , and each tube was then sealed_off .