In chemistry, pH (/piːˈeɪtʃ/) (potential of hydrogen) is a numeric scale used to specify the acidity or basicity of an aqueous solution.
The Philippines (/ˈfɪlᵻpiːnz/; Filipino: Pilipinas [ˌpɪlɪˈpinɐs]), officially the Republic of the Philippines (Filipino: Republika ng Pilipinas), is a sovereign island country in Southeast Asia situated in the western Pacific Ocean.
Philosophy (from Greek φιλοσοφία, philosophia, literally "love of wisdom") is the study of general and fundamental problems concerning matters such as existence, knowledge, values, reason, mind, and language.
Philadelphia (/ˌfɪləˈdɛlfi.ə/) is the largest city in the Commonwealth of Pennsylvania and the fifth-most populous city in the United States, with an estimated population of 1,567,442 and more than 6 million in the seventh-largest metropolitan statistical area, as of 2015. Philadelphia is the economic and cultural anchor of the Delaware Valley—a region located in the Northeastern United States at the confluence of the Delaware and Schuylkill rivers with 7.2 million people residing in the eighth-largest combined statistical area in the United States.
Physics (from Ancient Greek: φυσική (ἐπιστήμη) phusikḗ (epistḗmē) "knowledge of nature", from φύσις phúsis "nature") is the natural science that involves the study of matter and its motion and behavior through space and time, along with related concepts such as energy and force.
Phoenix (/ˈfiːnᵻks/) is the capital and most populous city of the U.S. state of Arizona. With 1,563,025 people (as of 2015), Phoenix is the sixth most populous city nationwide, the most populous state capital in the United States, and the only state capital with a population of more than one million residents.
PHP is a server-side scripting language designed primarily for web development but also used as a general-purpose programming language.
Phishing is the attempt to obtain sensitive information such as usernames, passwords, and credit card details (and, indirectly, money), often for malicious reasons, by disguising as a trustworthy entity in an electronic communication.
Photography is the science, art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.
Philosophy of education can refer either to the application of philosophy to the problem of education, examining the definition, goals and meaning of education, or to any particular vision of or approach to education.