Periodically : 주기적으로
Periodic : 주기적인
Periodical : 정기 간행물(특히 학술지)
Period : 기간, (역사적으로 구분된) 시대, (특정 시대의 양식을 보여주는)시대의, 시대적인, 마침표(.), (여성의) 생리
1)
if something happens periodically, it happnes from time to time
my uncle comes to visit us periodically
from time to time
if something is periodic, this is saying that it has repeated cycles
it recurs at regular intervals
periodically I decide to clean my car
periodically I change the oil in my car
periodically something that happens from time to time
you could have a sin wave, this is a periodic function
it does the same thing over time
periodic, it happens repeatedly over time
he suffers from periodic episodes of depression
something that happens from time to time
very often repeatedly in a fixed pattern
byt not very often necessarily very frequently
a periodic oscillation
I am actually thinking a pendulum that swings backwards and forwards. a period is the time it takes to make one full swing
it moves periodcially from side to side
periodic appearing at intervals
regular recurrent recurring repeated intervals
the headmaster made periodic visits to each of the classes in order to see what was happening
cyclic
periodic maintenance checks take place
recurring at regular intervals
intermittent with a particualr repeated cycle
2)
a periodical, this is a newspapaer or something that is printed
it's a publication but not normally a daily, so a daily newspaper
a periodical is something that is published regularly particularly a magazine or something like that
the newspaper stand sells newspapers and periodicals
periodicals things that are published from time to time
3)
a period, a period of time
there was a period of relxation
there was a period of confusion
the period between the wars, there was a great change in society
in ice hockey, there are three periods
4)
a period, a full stop
5)
a period drama where everything is dressed and set in a point in the past in history
6)
a period, a lady's menstruation
Formality : 5.5 for periodic and periodically
Formality : 6 for a periodical
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