ultradian
infradian
hemeral
ahemeral
subperiodic
nictemeral
postconvalescence
subdaily
subhourly
hour
hr
60 minutes
eigenperiod
intermission
break
pause
suspension
interruption
diurnal
football minute
chronometabolism
disentrained
submillennial
isochronal
subannual
scotophil
subannually
circannual
era
hour change
periodontology
subseasonal
cycle
daily variation
round
subsecond
on the half hour
overtime
rhythm
intermomentary
chronoisotherm
yr
polymenorrhagia
time-sensitive
preperiodic
regular
twelvemonth
periodicalness
year
oligomenorrhea
intermittency
microcentury
timespan
timestep
nychthemeron
duration
lose an hour of sleep
equal hour
subfemtosecond
length
intercalary
circadianly
flash in the pan
fugitive
photophil
chronodisruption
Earth day
circadianity
reperiodize
hourage
ahemeral day
finally
superfluous interval
monoperiodic
midtempo
round-the-clock
cyclicality
eventually
month
effluxion of time
minute
momentaneous
polymenorrhea
cosinor
time of day
clocktime
revolution
tun
yeartime
phase
fleeting
diurnal variation
rare
hypernychthemeral
subweekly
eternity
momentary
stage
ultradian
infradian
hemeral
ahemeral
subperiodic
nictemeral
subdaily
subhourly
diurnal
disentrained
submillennial
isochronal
subannual
circannual
subseasonal
subsecond
intermomentary
time-sensitive
preperiodic
regular
subfemtosecond
fugitive
monoperiodic
round-the-clock
momentaneous
yeartime
fleeting
rare
hypernychthemeral
subweekly
momentary
subannually
overtime
circadianly
finally
eventually
postconvalescence
hour
hr
60 minutes
eigenperiod
intermission
break
pause
suspension
interruption
football minute
chronometabolism
scotophil
era
hour change
periodontology
cycle
daily variation
round
rhythm
chronoisotherm
yr
polymenorrhagia
twelvemonth
periodicalness
year
oligomenorrhea
intermittency
microcentury
timespan
timestep
nychthemeron
duration
equal hour
length
intercalary
flash in the pan
photophil
chronodisruption
Earth day
circadianity
hourage
ahemeral day
superfluous interval
midtempo
cyclicality
month
effluxion of time
minute
polymenorrhea
cosinor
time of day
clocktime
revolution
tun
phase
diurnal variation
eternity
stage
lose an hour of sleep
reperiodize
English words for 'cyclical with a periodicity significantly shorter than 24 hours, that is, more frequent than circadian'
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