During the very cold Pleistocene climates, all of Denali was solidly frozen.

In Denali, the permafrost is discontinuous, meaning due to difference in vegetation, temperatures, snow cover, hydrology, etc., not all of the ground is solidly frozen.

Such unorganized things as individual cells can retain life for unknown periods, when solidly frozen.

Winter bored me most, with the roads to town blocked for months by snowdrifts, and the privies frozen solidly to the ground.

In winter, travel was possible over the ice only after the straits had solidly frozen.

The Northern Sea Route is a centuries-old dream comparable to that of the Northwest Passage of Canada, which is even more solidly frozen.

Served immediately, the ice cream is found to be as solidly frozen as it was first prepared.

As it was, Finlayson was slightly built, and handling him was like handling a 150-pound log, so solidly frozen had he become.

Spread the berries in a single uncrowded layer on cookie sheets, and place in the freezer, uncovered, just until the berries are solidly frozen, one to two hours.

When buying frozen fish, be sure it is solidly frozen.