a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
a Mid-Atlantic state; one of the original 13 colonies
an electronic amplification system used as a communication system in public areas
Initialism of public address.
Father, papa.
a fortified Maori settlement of pre-European and early European times
Father, dad, papa.
Initialism of posteroanterior.
Pennsylvania, a state of the United States of America
Initialism of per annum.