| poly- pref. 1. More than one; many; much: polyatomic. 2. More than usual; excessive; abnormal: polydipsia. 3. Polymer; polymeric: polyethylene. [Greek polu-, from polus, much, many; see pel  -1 in Indo-European roots.] |
poly-
combining form
1. more than one; many or much polyhedron
2. having an excessive or abnormal number or amount polycythaemia
[from Greek polus much, many; related to Old English fela many]
| poly- A prefix meaning "many," as in polygon, a figure having many sides. In chemistry, it is used to form the names of polymers by being attached to the name of the base unit of which the polymer is made, as in polysaccharide, a polymer made of repeating simple sugars (monosaccharides). |
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