What is "cubics"

Usage examples of "cubics".

They were the only cubics in the Shimizu which could reasonably be called "spartan," being simple boxes designed to keep a human alive for up to three and a half days despite the best efforts of energetic protons to kill him.

Took algebra from him and by time we reached cubics I corrected his probs as often as he did mine—but he charged into each lesson gaily.

Took algebra from him and by time we reached cubics I corrected his probs as often as he did mine--but he charged into each lesson gaily.

Intricate printed circuit boards, integrated cubics and wiring exposed to the heat smoldered, too, and began to char.

Took algebra from him and by time we reached cubics I corrected his probs as often as he did mine?