PRENUBILE. Pertaining to the age before sexual maturity or marriageability is reached.

PRIE DIEU. A praying desk.

PROPEDEUTIC. Preliminary; introductory.

PROPHYLACTIC. Any medicine or measure efficacious in preventing disease.

PSEUDOPHOBIAC. Pertaining to a morbid condition in which the subject is continually in fear of having said something not strictly true.

PSYCHOGENESIS. The origin and development of soul.

PSYCHONOMIC. Pertaining to the laws of mind.

PSYCHOSIS. Mental constitution or condition; any change in consciousness, especially if abnormal.

PUBERTY. The age of sexual maturity.

PUBESCENT. Relating to the dawning of puberty.