| a scrap or morsel of food left at a meal. |
| a stew of meat, vegetables, potatoes, etc. |
| pa3 | |
| —the internet domain name for | |
| Panama | |
| Pa | |
| —the chemical symbol for | |
| 1. | protactinium |
| —symbol for | |
| 2. | pascal |
| PA | |
| —abbreviation for | |
| 1. | Pennsylvania |
| 2. | personal appearance |
| 3. | personal assistant |
| 4. | military Post Adjutant |
| 5. | power of attorney |
| 6. | press agent |
| 7. | Press Association |
| 8. | banking private account |
| 9. | public-address system |
| 10. | publicity agent |
| 11. | Publishers Association |
| 12. | purchasing agent |
| 13. | insurance particular average |
| 14. | (in New Zealand) probationary assistant |
| 15. | Panama (international car registration) |
| PAS | |
| —abbreviation for | |
| physician-assisted suicide: a practice in which a terminally-ill person requests a medical practitioner to administer a lethal dose of medication | |
| PA's | |
| —pl n | |
| mountaineering a type of rock boot | |
| [C20: named after Pierre Allain, French climber] | |
Pa
The symbol for the element protactinium.
PA or P.A.
abbr.
physician's assistant
PAS or PASA
abbr.
para-aminosalicylic acid
periodic acid-Schiff
Pa
|
| protactinium (prō'tāk-tĭn'ē-əm) Pronunciation Key
Symbol Pa A rare, extremely toxic, radioactive metallic element of the actinide series that occurs in uranium ores. It has 13 known isotopes, the most stable of which is protactinium 231 with a half-life of 32,760 years. Atomic number 91; approximate melting point 1,550°C; specific gravity 15.37; valence 4, 5. See Periodic Table. |
pa
|
Pa
|
PA
|
PAS
|