biosignature
nounEtymology From bio- + signature.
1
Biology, Natural sciences Any measurable phenomenon that indicates the presence or probable presence of life.
Especially astrobiology
- The team say dimethyl sulfide and dimethyl disulfide are molecules from the same chemical family, and could be ‘biosignatures’.2025 April 17, Iain Todd, “Astronomers have found the ‘most promising signs yet’ of alien life on a planet beyond our Solar System”, in BBC Sky at Night Magazine:
- Related terms
- biochemical, bioindicator, biomarker, biomolecule