See Also: Periodicity(medicine)
periodicity(dictionary)
diurnal periodicity(medicine)
filarial periodicity(medicine)
lunar periodicity(medicine)
malarial periodicity(medicine)
nocturnal periodicity(medicine)
subperiodic periodicity(medicine)

periodicity (iou)



periodicity noun. M19.
[French periodicite, from Latin periodicus: see PERIODIC adjective1, -ITY.]
a. Esp. Science. The quality or character of being periodic; tendency to recur at (esp. regular) intervals. M19.
b. Chemistry. The complex periodic variation of the properties of the chemical elements with increasing atomic number. L19.
c. The frequency of a periodic phenomenon, esp. an alternating current. E20.
Recurrence of a woman's periods; menstruation. M19.