periodic meaning
periodic :
happening regularly, at intervals
adjective
▪ The periodic meeting is on Monday.
▪ The regular meeting is on Monday.
▪ We have periodic checks on the machines.
▪ We have regular checks on the machines.
paraphrasing
▪ regular – happening often
▪ recurring – happening again and again
▪ frequent – happening many times
▪ cyclic – happening in cycles
Pronunciation
periodic [ˌpɪəriˈɒdɪk]
The stress is on 'od' and sounds like 'peer-ee-od-ik'.
Common phrases and grammar about periodic
periodic - Common meaning
adjective
happening regularly, at intervals
Part of Speech Changes for "periodic"
▪ periodically (adverb) – happening regularly
▪ periodical (noun) – a magazine published regularly
Common Expressions with "periodic"
▪ periodic table – a table of chemical elements
▪ periodic review – a regular check or assessment
▪ periodic maintenance – regular upkeep
▪ periodic inspection – regular examination
Important examples of periodic in TOEIC
Vocabulary examples from the TOEIC test
In TOEIC vocabulary questions, periodic is often used to describe regular events or checks.
Example of a confusing word: sporadic (infrequent or irregular)
Grammar examples from the TOEIC test
Periodic is used as an adjective to describe things that happen at regular intervals.
periodic
Idioms and fixed expressions in TOEIC
periodic table
'a table of elements', used in science contexts.
periodic payment
means 'regular payment', used in financial contexts.
Differences between similar words and periodic
periodic
,
regular
differences
Periodic refers to events happening at set intervals, while regular can mean frequent but not necessarily at set times.
Words with the same origin as periodic
The origin of periodic
periodic comes from the Greek 'periodikos', meaning 'coming around at intervals'.
Word structure
It has the prefix peri (around), root od (way), and suffix ic (adjective), meaning 'around a way'.
Words with the same origin
The word's root is od (way). Words with the same root include period (time).
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