bi·o·sig·na·ture 
(bī′ō-sĭgnə-chər)
(bī′ō-sĭgnə-chər)n.
1. A chemical or physical marker indicating the presence of life, especially something sought in geologic formations or in an extraterrestrial environment. Also called biomarker.
2. See biomarker.
- preciously
- precious metal
- preciousness
- precious stone
- precipice
- precipitable
- precipitance
- precipitancy
- precipitant
- precipitantly
- precipitate
- precipitately
- precipitateness
- precipitation
- precipitative
- precipitator
- precipitin
- precipitinogen
- precipitous
- precipitously
- precipitousness
- precise
- precisely
- preciseness
- precisian