biological_clock
1. [ noun ] (physiology) an innate mechanism in living organisms that controls the periodicity of many physiological functions
Related terms: mechanism
Similar spelling:   biological_attack
  biological_time
  biological_process
  biological_group
  biological_agent
  biological_weapon
  biological_warfare
  biological_science
  biological_defense
  biological_defence
  biological_research
  biologic_attack