Definition from macmillandictionary.com
Your browser doesn’t support HTML5 audio
Although the mantle below the tectonic plates is solid, it does move.
As a result of the depth and magnitude of the earthquake and nature of the tectonic shift, a giant wave spread throughout the Paicifc.
The tectonic shift in the American church isn’t coming – it’s here.
Something's changing and it feels tectonic.