Meanings of radioactive ash in English

What it became was radioactive ash in a cancer-wind.

Over a half mile of defensive screens and armament, that could probably turn any fleet existent today into fine radioactive ash-

He attempted to accept the probability that the Treasury in Washington, Wall Street, and Federal Reserve banks everywhere, all were now radioactive ash.

If it remains that way, fire will eventually breach it and send clouds of radioactive ash billowing across the continent, and possibly across the oceans.