poly-

(Greek: many, much; excessive; abnormal amount, profuse, ample, large quantity; multiple, abundant, numerous)

Don’t confuse this poly- with another -poly which means “to sell”.

polygraph
Also known as a lie detector, it is an electro-mechanical instrument used to determine whether an examinee is truthfully answering questions.

It simultaneously measures and records certain physiological changes in the human body which it is believed are involuntarily caused by an examinee’s conscious attempt to deceive an interrogator.

polygraphic
polygraphy
1. An apparatus, on the principle of the pantograph, for producing two or more identical drawings or writings simultaneously.
2. An instrument for obtaining tracings of movements in various parts of the body; a myograph.
3. An instrument for recording changes in respiration, blood pressure, galvanic skin response, and other physiological changes while the person is questioned about some matter or asked to give associations to relevant and irrelevant words; the physiological changes are presumed to be indicators of emotional reactions, and thus whether the person is telling the truth.
4. In cryptography, a group of two or more letters.
5. In phonetics, a group of three or more letters expressing a simple sound of speech.
polygynous
A reference to the marriage of a man to more than two women at the same time.
polygynous
1. In botany, having many pistils, styles, or stigmas; specifically belonging to the order Polygynia.
2. Having more than one wife or having several wives (or concubines); practicing, pertaining to, or involving polygyny.
3. In zoology, a reference to a male animal that has several female mates; characterized by polygyny, as a species.
polygyny
1. The practice of having many female mates.
2. The mating of a single male with several females.
3. The presence of many queens within a single colony of social insects.
polygyria
A condition in which the brain has an excessive number of convolutions.
polyhaline
Pertaining to brackish water having a salinity between ten and seventeen parts per thousand or to sea water having a salinity greater than thirty-four parts per thousand.
polyhalophile
Thriving in a wide range of salinities.
polyhalophilic
Referring to the thriving in a wide range of salinities (something that is salty or has the characteristics of salt).
polyhalophily
polyhedra; plural of polyhedron
A solid figure bounded by plane polygons or faces.
polyhedral angle
1. The angle formed by three or more planes passing through a point.
2. An angle at a vertex of a solid.
polyhedron
Having many faces or sides.
polyhidria
Abnormally excessive sweating.

Related topics utilizing this poly- prefix: Polysemy and Polysemous and Polygamy Sections.

Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; super-; total-; ultra-; undu-.