Index of English words, starting with "po"

(1) - Polygon (n.) A plane figure having many angles, and consequently many sides; esp., one whose perimeter consists of more than four sides; any figure having many angles.

(1) - Polygonal (a.) Having many angles.

(1) - Polygraph (n.) An instrument for detecting deceptive statements by a subject, by measuring several physiological states of the subject, such as pulse, heartbeat, and sweating. The instrument records these parameters on a strip of paper while the subject is asked questions designed to elicit emotional responses when the subject tries to deceive the interrogator. Also called lie detector
(2) - Polygraph (n.) In bibliography, a collection of different works, either by one or several authors.
(3) - Polygraph (n.) An instrument for multiplying copies of a writing; a manifold writer; a copying machine.