Added to
Favorites
Dictionary
Thesaurus
Word Dynamo
Quotes
Reference
Translator
Spanish
Log In
Sign Up
Premium
Introducing a cool
new way to learn!
Related Searches
Biological clock hum...
Biological clock the...
Biological clock cir...
Teenage biological c...
Biological clock of ...
Signs of biological ...
Biological clock ani...
Explain circadian rh...
Nearby Words
bio-sphere
bio-warfare
biodegradable
biog
biogenetics
biographer
biography
biologic
biological
biological anth...
biological cloc...
biological evol...
biological fath...
biological moth...
biological oper...
biological pare...
biological rela...
biological rhyt...
biological scie...
biological warf...
biological-cloc...
biological-fath...
biological-moth...
biological-pare...
biological-rhyt...
biological-warf...
biologist
biology
bionic
bionic people
bionic person
bionomics
biopsy
biorhythm
bioscience
biosphere
biotic
biowar
biowarfare
bipartisan
bipartite
Related Questions
Will you survive a zombie quiz?
Vendetta by guy de maupassant?
biological-clock
Ads
Manufacturing Biologics
www.building
bio
logics.com/
Learn What
Biological
Medicines Are & How They are Manufactured.
Thesaurus.com's Mobile Apps
www.thesaurus.com/mobile
Ad-Free, Offline Content, Synonyms, Antonyms and More! Take Millions of Words With You Everywhere. Download Now!
Main Entry:
biological clock
[
]
Show IPA
/
/
Show Spelled
Part of Speech:
noun
Definition:
internal clock
Synonyms:
biological rhythm, biorhythm, body clock, circadian clock, circadian rhythm, cycles
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Relevant Questions
What Is A Biological Clo...
What Is The Scientific N...
How To Turn Back Your Bi...
What Regulates The Bodys...
Search
another word
or see
biological-clock
on
Dictionary
|
Spanish
Is BIOLOGICAL-CLOCK messing up your essay?
Writing Dynamo
instantly improves your writing
Enjoy Thesaurus.com ad-free! Learn more
Style guide
Confusing words
Word of the Day
Free tools
Blog
Games
Partners:
Word
Bloglines
Citysearch
The Daily Beast
Ask Answers
Ask Kids
Life123
Reference
Sendori
Copyright ©
2013 Dictionary.com, LLC
. All rights reserved.
About
PRIVACY POLICY
Terms
API
Careers
Advertise with Us
Contact Us
Suggest a Word
Help
Please
Login
or
Sign Up
to use the Favorites feature
Please
Login
or
Sign Up
to use the Recent Searches feature
FAVORITES
RECENT