periodic

If the coronavirus starts to regularly circulate like viruses that cause the common cold and seasonal influenza currently do, future vaccination programs might encourage more vulnerable populations to receive periodic vaccinations.

Since 1962, periodic starfish population booms on the Great Barrier Reef have caused widespread coral death.

Settlements in the West Bank have triggered periodic uprisings, the intifadas.

The periodic agony that accompanies sickle cell was joined by the torment of persistent eye infections and repeated surgeries.

And even now that ISIS has retreated from the area, it is still subject to periodic attacks from the Assad regime.

And when you review the periodic table, take special note of Tungsten, or Wolfram.

Conditioning the Fed to react less to periodic market tantrums will take a strong will.

But when we made periodic inspections of boarding houses and the like, he was an entirely different person.

He had seen many sides of New York in the periodic lapses which kept him constantly in search of a new profession.

At times there are periodic attacks of mental perturbation that may become true insanity.

The 'periodic recurrence of intervals' here spoken of may be illustrated on the key-board of a piano.

On the other hand the periodic statement suspends the meaning to the end.