with respect to or associated with nature of an interval, cycle, or round of many years or activities.
Performed or continuing in some consecutive circuits or revolutions: since, the periodic motions of planets across the sunlight, or of this moon around the planet.
Happening or happening at on a regular basis continual intervals of the time; statedly recurring; as, a periodic book; the periodic return of a plant's flowering; periodic outbursts; the periodic character of ague; the periodic movement of a vibrating tuniug-fork or music sequence.
In rhetoric: Of or related to a period of time or full phrase; complete in grammatical structure.
Noting that as a type of phrase where feeling is incomplete or suspended until the end is reached.
In math, with values which recur because the worth of the separate adjustable continuously increases.
Noting an acid, a substance made by the discussion of iodine and aqueous perchloric acid, understood only in crystals which contain two particles of liquid: HIO4.2H2O. Its solution has actually a good acid reaction plus it types a few distinct group of salts.