internal clock

SEE SYNONYMS FOR internal clock ON THESAURUS.COM

noun

biological clock.

Origin of internal clock

First recorded in 1955–60

Words nearby internal clock

internal auditory vein, internal capsule, internal carotid nerve, internal carotid plexus, internal cerebral vein, internal clock, internal conflict, internal conjugate, internal conversion, internal ear, internal elastic lamina

Words related to internal clock

biorhythm