However, two of the government documents do state that conventional explanations had all been ruled before undertaking a search for the object.

The conventional explanation is the rising cost of defense.

These high values rule out many conventional explanations, such as a helicopter or balloon.

The conventional explanation is that reddish-colored dust becomes mixed with the water.

But the total absence of evidence of any kind seems to rule out these conventional explanations.

Many writers roll these conventional explanations into one large hall, and then pitch the whole kaboodle all at once.

More conventional explanations for the observed abilities have also been advanced.

The conventional explanation of lead in the atmosphere, for example, held that it came mainly from leaded gasoline.

It is not that one wants conventional explanations.

After only two days' review, all cases were claimed to have conventional explanations.