periodic
UK/.piәri'ɒdik/US
TOEFLA1
Definitions
adj.
Happening at regular or repeated intervals
周期性的，定期的
Root Breakdown
Root-derivedperiodaround, near
+
-icroad, path, way
=periodic
period + -ic = relating to a period, i.e. recurring at regular intervals. Best known in 'the periodic table,' where elements are arranged so their properties repeat in cycles.
Common Collocations
- 1.periodic maintenance定期维护
- 2.periodic review定期审查
- 3.the periodic table元素周期表
Example Sentences
- 1.
The machine needs periodic maintenance to stay safe.
- 2.
There are periodic floods along this part of the river.