unsplittable

We really in our country had unsplittable differences.

The sure defense against this strategy is to have the citizenry and the Government so closely bound together that they are unsplittable."

We've in our country had really unsplittable differences, abortion today, expansion of slavery into the territories, things -- differences you really couldn't compromise on.

Yet a free electron-which, not orbiting an atomic nucleus, lacks orbital motion-appears unsplittable and remains regarded as an elementary particle.

The resulting landscape, a kind of cross between the Labrador coast and the Utah canyon lands, evokes the austere beauty of these unsplittable numbers and the manner in which they are scattered through the number system - haphazardly, it seems, but with possible hints of an underlying order.