تلفظ بین المللی : /pˈəʊtəntnəs/ تلفظ : [p'oUt@ntn@s]
English
The quality or state of being potent; powerfulness;
potency; efficacy.
A calendar that can be used perpetually or over a wide range of years. That of Capt. Herschel covers, as given below, dates from 1750 to 1961 only, but is capable of indefinite extension. PERPETUAL CALENDAR Day of the monthJan. Oct.Apr. July Jan.Sept. Dec.JuneFeb. Mar. Nov.Aug. Feb.MayDay of the Week 1815 2229 2916 233...
