English noun: pa |
1. | pa (person) an informal term for a father; probably derived from baby talk |
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| Synonyms | dad, dada, daddy, papa, pappa, pop |
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| Broader (hypernym) | begetter, father, male parent |
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2. | Pa (substance) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead |
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| Synonyms | atomic number 91, protactinium, protoactinium |
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| Broader (hypernym) | metal, metallic element |
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3. | Pa (quantity) a unit of pressure equal to one newton per square meter |
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| Synonyms | pascal |
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| Broader (hypernym) | pressure unit |
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4. | PA (location) a Mid-Atlantic state; one of the original 13 colonies |
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| Synonyms | Keystone State, Pennsylvania |
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| Instance hypernym | American state |
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| Part holonym | Alleghenies, 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 |
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| Part meronym | America, Mid-Atlantic states, the States, U.S., U.S.A., United States, United States of America, US, USA |
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| Domain region members | Battle of Gettysburg, Gettysburg |
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5. | PA (artifact) an electronic amplification system used as a communication system in public areas |
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| Synonyms | P.A., P.A. system, PA system, public address system |
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| Broader (hypernym) | communication system |
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| Part holonym | amplifier, loudspeaker, loudspeaker system, speaker, speaker system, speaker unit, tannoy |
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