thalassic

They make nitroglycerine, like all the thalassic peoples; they also make TNT and catastrophite, and propellants.

The thalassic peoples here in the Equatorial Zone are fairly good empirical, teaspoon-measure, chemists.

It progresses most rapidly where the knowledge of outlying or remote lands travels fastest, as along rivers and thalassic coasts.

Africa was further cursed by the mockery of desert coasts along most of her scant thalassic shores.

Small thalassic islands, at an early date in their history, lose their ethnic unity and present a highly mixed population.