Definify.com

Webster 1913 Edition

Periodic

Perˊi-od′ic

(pẽrˊī̍-ŏd′ĭk)

,

Adj.

[Pref.

per-

+

iodic

.]

(Chem.)

Pertaining to, derived from, or designating, the highest oxygen acid (

HIO4

) of iodine.

Webster 1828 Edition

Periodic

PERIOD'IC