"ˌ noun
Etymology: bi- (II) + marker
: a distinctive biological or biologically derived indicator (as a biochemical metabolite in the body or an organic compound in rock) of a process, event, or condition (as aging, disease, or oil formation)
"ˌ noun
Etymology: bi- (II) + marker
: a distinctive biological or biologically derived indicator (as a biochemical metabolite in the body or an organic compound in rock) of a process, event, or condition (as aging, disease, or oil formation)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012