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

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n. Medicine See marker.

n. Medicine A specific physical trait used to measure or indicate the effects or progress of a disease or condition: Biomarkers of aging include thinning of the hair and diminished elasticity of the skin.

n. A substance used as an indicator of a biological state, most commonly disease.

"Secondhand smoke exposure was validated further using a short-term biomarker of exposure-the Level of cot nine in the umbilical cord blood at the time of delivery."

biosignature    bioindicator   

semi-quantitative    casefor    earprint    government-issued    voiceprint    spectrometric    terroriststrike    screenwriting/    bitemark    phytocompound