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English noun: pa

1. pa (person) an informal term for a father; probably derived from baby talk

Synonymsdad, dada, daddy, papa, pappa, pop

Broader (hypernym)begetter, father, male parent

2. Pa (substance) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Synonymsatomic number 91, protactinium, protoactinium

Broader (hypernym)metal, metallic element

3. Pa (quantity) a unit of pressure equal to one newton per square meter


Broader (hypernym)pressure unit

4. PA (location) a Mid-Atlantic state; one of the original 13 colonies

SynonymsKeystone State, Pennsylvania

Instance hypernymAmerican state

Part holonymAlleghenies, Allegheny, Allegheny Mountains, Allegheny River, Allentown, Altoona, Bethlehem, Blue Ridge, Blue Ridge Mountains, capital of Pennsylvania, Chester, City of Brotherly Love, Erie, Gettysburg, Harrisburg, Lehigh River, Monongahela, Monongahela River, Penn, Pennsylvania, Philadelphia, Pittsburgh, Susquehanna, Susquehanna River, University of Pennsylvania

Part meronymAmerica, Mid-Atlantic states, the States, U.S., U.S.A., United States, United States of America, US, USA

Domain region membersBattle of Gettysburg, Gettysburg

5. PA (artifact) an electronic amplification system used as a communication system in public areas

SynonymsP.A., P.A. system, PA system, public address system

Broader (hypernym)communication system

Part holonymamplifier, loudspeaker, loudspeaker system, speaker, speaker system, speaker unit, tannoy

Based on WordNet 3.0 copyright © Princeton University.
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