Definitions for: Pa

[n] an electronic amplification system used as a communication system in public areas
[n] a Mid-Atlantic state; one of the original 13 colonies
[n] an informal term for a father; probably derived from baby talk
[n] a unit of pressure equal to one newton per square meter
[n] a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Webster (1913) Definition: Pa (p[aum]), n.
A shortened form of Papa.

Synonyms: atomic number 91, dad, dada, daddy, Keystone State, PA system, papa, pappa, pascal, pater, Pennsylvania, pop, protactinium, protoactinium, public address system

See Also: Allegheny, Allegheny River, American state, amplifier, battle of Gettysburg, begetter, capital of Pennsylvania, Chester, City of Brotherly Love, communication system, Erie, father, Gettysburg, Harrisburg, loudspeaker, loudspeaker system, male parent, metal, metallic element, Mid-Atlantic states, Monongahela, Monongahela River, Philadelphia, Pittsburgh, pressure unit, speaker, speaker system, speaker unit, tannoy

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