12-Letter Words Containing: P,O,S,A,D,A

• a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)

• A form of psychotherapy in which a patient acts a role in a context devised by a psychotherapist.

• A drama in this form

• A dramatic work focusing on the psychology of its characters

• any of a variety of infectious intestinal diseases resembling typhoid fever

• a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty

• any one of four endocrine glands situated above or within the thyroid gland

• An instrument which, placed in contact with the chest, graphically registers the comparative duration and intensity of the heart's movements

• in a sporadic manner

• protective covering consisting of a broad plank along a gunwale to keep water from splashing over the side

• protective covering consisting of a panel to protect people from the splashing water or mud etc.