nucleonics

In nearly two centuries, the world has left behind the steel age; has advanced to nucleonics, tissue regeneration, autoservice bars and electronically driven yo-yos.

But when it came to nucleonics, he was bored.

The trouble was, he was a nucleonics engineer, not a chemist.

“Is that the information, the data, that makes Snookums so priceless, aside from his nucleonics work?”

It's a term borrowed from nucleonics, and best understood in that context.