 | Prayer Wheel A prayer wheel is a cylindrical "wheel" (Tibetan: འཁོར་, Wylie: 'khor) on a spindle made from metal, wood, stone, leather or coarse cotton. |
 | Precipitation (alchemy) Resembling an upside-down version of the astrological symbol for Libra, this alchemical sign represents precipitation. |
 | Precipitation (alternate #1) One of several alchemical symbols for precipitation, in this case precipitation from solution. |
 | Precipitation within sight Precipitation (Virga) within sight, but not reaching the ground |
 | Precipitation within sight Precipitation (Praecipitatio) within sight, reaching the ground or the surface of the sea, near to (within 3 miles), but not at the station |
 | Precipitation within sight, reaching ground Precipitation within sight, reaching ground or the surface of the sea, but distant, i.e. estimated to be more than 3 miles from the station |
 | Predefined Process Refers to a series of process steps that are defined elsewhere, such as in a subroutine definition. |
 | Preserve or burn (alchemy) In alchemy, this symbol can have two distinctive meanings. |
 | Presidential Standard (South Korea) Presidential Standard 1967 – present |
 | Pressure - How much air do you have left? How much air do you have left? |
 | Pretzel (Samsung One UI 1.5) |
 | Prince logo ("Love Symbol #2") Logo and symbol for the performer, Prince. Once used by the artist as an unpronounceable nom de plume. |
 | Princeton University Seal Two of the University’s most prominent graphic images are the seal and the shield. |
 | Prison A hobo sign that either indicates a prison or is a warning to avoid this area- there is a risk of being arrested. |
 | Prison (alternative) A hobo sign that either indicates a prison or is a warning to avoid this area- there is a risk of being arrested. |
 | Probability The probably of an event happening. |
 | Process This represents a process, or step in the flow chart. Text is placed in the process box to explain what action is to take place. |
 | Process (alchemy) When it comes to this symbol, the word "process" can imply a number of different things. |
 | Product The product of a function over a range of values. |
 | Progressive Social Networks of Mexico This is the logo of the Progressive Social Networks Party of Mexico that was formed in 2020. The Progressive Social Networks is a Social Democratic Political Party |
 | Project Mercury Symbol Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963. An early highlight of the Space Race, its goal was to put a man into Earth orbit and retu… |
 | Projection (alchemy) Projection was the ultimate goal of Western alchemy. Once the Philosopher's stone or powder of projection had been created, the process of projection would be used to transmute a lesser substance int… |
 | Projector Projector |
 | Promethium Dragon Egg Icon used to indicate a Promethium Dragon egg in the game DragonVale. |
 | Proper Subset (also called a strict subset) A proper subset is subset that has few elements than the set, i.e., the subset can not be the original set. |
