periodic

1
[ peer-ee-od-ik ]
/ ˌpɪər iˈɒd ɪk /

adjective

Origin of periodic

1
1635–45; < Latin periodicus < Greek periodikós. See period, -ic

OTHER WORDS FROM periodic

pe·ri·od·i·cal·ly, adverb qua·si-pe·ri·od·i·cal·ly, adverb

WORDS THAT MAY BE CONFUSED WITH periodic

periodic periodical

Definition for periodic (2 of 2)

periodic 2
[ pur-ahy-od-ik ]
/ ˌpɜr aɪˈɒd ɪk /

adjective Chemistry.

of or derived from a periodic acid.

Origin of periodic

2
First recorded in 1830–40; per- + iodic

Example sentences from the Web for periodic

British Dictionary definitions for periodic

periodic
/ (ˌpɪərɪˈɒdɪk) /

adjective

happening or recurring at intervals; intermittent
of, relating to, or resembling a period
having or occurring in repeated periods or cycles

Derived forms of periodic

periodically, adverb periodicity (ˌpɪərɪəˈdɪsɪtɪ), noun

Medical definitions for periodic

periodic
[ pîr′ē-ŏdĭk ]

adj.

Having or marked by repeated cycles.
Recurring at regular intervals.