2005 US Department of Health - Your guide to healthy sleep Your biological clock is actually a tiny bundle of cells in your brain that responds to light signals received through your eyes.
Source: wiktionary
Biological clock
Synonyms for "biological clock" (61 found)
Ranked by relevance and common usage.
Closest matches (13)
Strong matches (18)
divine breathdivine sparkelan vitalessence of lifeforce of lifegrowth forceheartheartbeatheartbloodimpulse of lifeinspiriting forcejivajivatmalife breathlife cycle
Noun(3 words)
endogenous timinginternal clockinternal timing
Related words (30)
life essencelife forcelife principlelife processlifebloodliving forcepneumapranaseat of lifesoulspark of lifespiritvis vitaevis vitalisvital energyvital flamevital fluidvital forcevital principlevital spark
Show 1 more word
vital spirit
Noun(9 words)
oscillatorphysiologicalpuberty onsetpuberty timingreproductive timelinereproductive timingticking clocktime pressuretimer
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
6 entriesMore specific
10 entriesage pressureaging clockcircadian clockfertility clockmenarchepuberty onsetreproductive clockspermarcheticking clockultradian clock
Collocations
10 entriesbiological clock regulationbiological clock timingcircadian clockcircadian rhythmclock genesendogenous clockinternal clockpuberty onsetreproductive timingsleep wake cycle
Inflections
3 entriesbiological clocksmore biological clock-likemost biological clock-like
Derivations
1 entriesSample sentences
3 total sentences available.
Her biological clock is ticking.
Source: wiktionary
Take Linda, a thirty-nine-year-old newscaster who relished her career but began to hear the alarm ringing on her biological clock.
Source: wiktionary