| Main Entry: | biological clock |
| Part of Speech: | noun |
| Definition: | internal clock |
Synonyms: |
biological rhythm, biorhythm, body clock, circadian clock, circadian rhythm, cycles |
| Main Entry: | life cycle |
| Part of Speech: | noun |
| Definition: | processes of lifeform |
Synonyms: |
biological clock, biorhythm, circuition, life process, wheel of life |