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Updated June 2026
Occurring or appearing at regular intervals; happening repeatedly in a predictable pattern. Often used in scientific contexts to describe cyclical phenomena.
“The satellite sends periodic updates to ground control every six hours.”
per·i·od·ic
Contains common letters P, E, R, I, O, D, C with I appearing twice
Worth 13 points; good vowel-consonant balance
Shorter words formed from the letters in “periodic”.
Look up periodic in an authoritative dictionary for full definitions, pronunciation, and etymology.
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