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Use "tectonically" in a sentence
"The Kopet Dag was a tectonically active area—below the mountain were molten rocks that heated the water in the underground chambers."
"That said, there is really no convincing economic case to be made for light rail along the west coast, and the prospect of putting down costly infrastructure that is highly susceptible to quake damage in one of the less tectonically stable areas of the world is … mindboggling."
"That got me to thinking: Hey, Stargate Universe, are you telling me that one measly over-tectonically active planet is going to supply more power than one average sized black hole?"