pa

An informal term for a father; probably derived from baby talk.

A Mid-Atlantic state; one of the original 13 colonies.

A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.

An electronic amplification system used as a communication system in public areas.

A Mid-Atlantic state; one of the original 13 colonies.

A unit of pressure equal to one newton per square meter.

An electronic amplification system used as a communication system in public areas.

By the year; every year (usually with reference to a sum of money paid or received).