This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Prebiological.

adj. occurring before the advent of life

adj. non digestible but beneficial

"So people believe now that Titan is most likely what we call a prebiotic planet, because it's so cold organic material did not get to the stage of becoming biological material, and therefore life could have evolved on it."

prebiotics   

Mitotic    mitotic