Rarefaction and condensation by instruments were also tried, but in vain.

Yet more, this condensation is accompanied by the disengagement of heat.

It is really a condensation of the facts, as the trail is shortened where uninteresting.

Evaporation and condensation, woods and glaciers, have all been brought into play.

He was too profuse indeed with his facts: he had not the art of condensation.

As a speaker and writer, his principal need was condensation.

There was a condensation in the Nearer Rim for a second bearing.

A tale must aim at condensation, but a bore acts in solution.

The boric acid material is recovered by a process of condensation.

For the Notes I can do little more than claim the merit of selection and condensation.