| pox |
a disease, such as chicken pox, that is characterized by a pustular skin rash. [2 definitions] |
| pp. |
abbreviation of "pages," a plural form of "pages." |
| ppb |
abbreviation of "parts per billion." |
| PPE |
abbreviation of "personal protective equipment," equipment such as face masks, face shields, gloves, and surgical gowns that are used by medical personnel to protect against viral or bacterial infection of either themselves or patients. |
| ppm |
abbreviation of "parts per million." |
| P.P.S. |
abbreviation of "post postscriptum" (Latin); a second or additional postscript. |
| PR1 |
abbreviation of "Puerto Rico," a West Indies island commonwealth associated with the United States, east of the Dominican Republic. |
| Pr |
symbol of the chemical element praseodymium. |
| PR2 |
abbreviation of "public relations," the organized efforts of a corporation, organization, institution, or the like to establish a favorable image or favorable relations with the general public. [2 definitions] |
| pr. |
abbreviation of "pair" or "pairs." |
| practicable |
capable of being done or put into practice. |
| practical |
of or relating to practice and experience as opposed to theory or abstraction. [5 definitions] |
| practical joke |
a playful or mischievous trick played on someone, often causing embarrassment or discomfort. |
| practical joker |
a person who engages in practical jokes. |
| practically |
in every essential respect; virtually. [3 definitions] |
| practical nurse |
a nurse who has had some training in nursing and is often licensed by a state to provide basic care for patients, usu. under the supervision of a registered nurse. |
| practice |
an activity that is habitual or customary. [11 definitions] |
| practiced |
having experience or proficiency. [2 definitions] |
| practice teacher |
a college student who teaches elementary or secondary school under the supervision of an experienced teacher; student teacher. |
| practicing |
actively pursuing an occupation or profession. |
| practicum |
the part of a college or university course that involves practical application of the theories and principles studied in the course. |