Atomic

Part of speech: Adjective

Definition: relating to atoms: nuclear

Source: Merriam-Webster

The word is found in the Andrei Codrescu poem Power, in the fourth and final line.

“It hums quietly in her heart like an atomic plant and the place to plug in is her eyes”.

He is using the word to describe her eyes as something nuclear and explosive which can be interpreted as when he looks at her she is his safe haven, he feels secure.