Silicon-based

In a popular show, the Horta is a silicon-based lifeform.

The biology on this globe is carbon-based. Some have speculated that there could be silicon-based forms of biology elsewhere in this universe. There yet could be plasma-based biology. There could be incorporeal biology. There could be other probabilities.

"We scanned the alien lifeform, and it seems to be silicon-based." "Amazing!"

Is there silicon-based life?

On another planet, there could be silicon-based life instead of carbon.

silicon-based life

Core samples rich with the fossils of simple silicon-based organisms indicate Therum was more habitable in the past than it is at present.