Priority Mail Flat Rate is a 1 to 3 day shipping service provided by the U.S. Postal Service (USPS) that features one flat rate for delivery of a package or envelope to its destination. The service allows a maximum weight of 70 lbs. or less for each envelope or package.
Ampere definition. Ampere or amp (symbol: A) is the unit of electrical current. The Ampere unit is named after Andre-Marie Ampere, from France. One Ampere is defined as the current that flows with electric charge of one Coulomb per second. 1 A = 1 C/s.
Ampersand. The ampersand is the sign &, used to mean âandâ. The shape of the symbol originated as a ligature for the Latin et (âandâ) â that is, it represents the merged âeâ and âtâ. The name ampersand also represents a merge, although one that is perhaps more accidental.mpersand. The ampersand is the sign &, used to mean âandâ. The shape of the symbol originated as a ligature for the Latin et (âandâ) â that is, it represents the merged âeâ and âtâ. The name ampersand also represents a merge, although one that is perhaps more accidental.