The periodic agony that accompanies sickle cell was joined by the torment of persistent eye infections and repeated surgeries.
The Summit of the Americas is a periodic meeting of heads of government of countries located in the Western Hemisphere.
They calculated that every periodic inspection would cost each carrier $1,275 per airplane.
It also must be noted there were periodic contacts between Zionists and Nazis before and during the War.
And when you review the periodic table, take special note of Tungsten, or Wolfram.
If the density be inversely as the distances, the periodic times will be equal.
But what was his surprise to observe that these alterations were not of an annually periodic character.
William's bugle had just returned to public life after one of its periodic terms of retirement into his father's keeping.
Juno was to at once begin her first contribution to periodic literature.
The summer was passed in New York, and luckily, except for periodic waves of tropical heat, the weather was not unendurable.
1640s, from French périodique (14c.), from Latin periodicus, from periodus (see period).
Periodic table in chemistry (1889) is from notion of the arrangement, in which similar properties recur at intervals in elements in the same area as you read down the rows of the table. This sense of the word is attested from 1872 (periodic law).
periodic pe·ri·od·ic (pĭr'ē-ŏd'ĭk)
Having or marked by repeated cycles.
Recurring at regular intervals.