biosignature

(redirected from Bio-sign)
Also found in: Medical.

bi·o·sig·na·ture

 (bī′ō-sĭg′nə-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.
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