Answer: biological

AnswerCrossword Clue
BIOLOGICALType of clock
BIOLOGICALKind of warfare.
BIOLOGICALOf life
biologicalOf or relating to biology or living organisms
biological(of a detergent or other cleaning product) Containing enzymes to assist the process of cleaning
biologicalGenetically related; related by blood
biologicalrelating to biology / a drug of biological origin