 pa |
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| 1. | [ noun ] an informal term for a father; probably derived from baby talk | |
| Synonyms: | papa dad daddy pop old_man pater pappa dada | |
| Related terms: | father | |
| 2. | [ noun ] (chemistry) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead | |
| Synonyms: | protoactinium atomic_number_91 protactinium | |
| Related terms: | metallic_element | |
| 3. | [ noun ] (physics) a unit of pressure equal to one newton per square meter | |
| Synonyms: | pascal | |
| Related terms: | pressure_unit | |
| 4. | [ noun ] (government,geography) a Mid-Atlantic state; one of the original 13 colonies | |
| Synonyms: | Pennsylvania Keystone_State | |
| Related terms: | American_state Mid-Atlantic_states Philadelphia Pittsburgh Susquehanna Harrisburg bethlehem penn allentown altoona gettysburg erie monongahela allegheny Chester lehigh_river Gettysburg | |
| 5. | [ noun ] Woman's first name, popularity rank in the U.S. is 3244 | |
| 6. | [ noun ] an electronic amplification system used as a communication system in public areas | |
| Synonyms: | PA_system p.a._system p.a. public_address_system | |
| Related terms: | communication_system loudspeaker amplifier tannoy | |
| Similar spelling: |
Pay paw Pao Pai Pae PAYE Paya P payee |
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