polypectomyThe surgical removal of a polyp, typically performed to diagnose, treat, or prevent conditions such as cancer or symptoms caused by the polyp.
polypharmacyThe use of multiple drugs to treat multiple concurrent disorders in the same (now especially elderly) patient, chiefly with connotations of indiscriminate or excessive prescription (involving overmedication and overprescription).
polypharyngealHaving or involving more than one pharynx.
polyphemusinAn antimicrobial peptide present in the horseshoe crab Limulus polyphemus
polypheneAny aromatic hydrocarbon consisting of fused benzene rings
polyphenicHaving multiple phenotypes that can arise as a result of differing environmental conditions.
polyphenismThe development of multiple, discrete phenotypes from a single genotype by organisms living in different environmental conditions.
polyphenolAny of a large class of organic compounds, of plant origin, having more than one phenol group; they tend to be colourful and to have antioxidant properties.
polyphonyMusical texture consisting of several independent melodic voices, as opposed to music with just one voice (monophony) or music with one dominant melodic voice accompanied by chords (homophony).
polyphosphateany of a class of inorganic polymers containing linked phosphate groups; the low molecular weight polymers, such as sodium tripolyphosphate, are used in water softening and as food additives
polyphosphazenean inorganic polymer in which the repeating group is a phosphazene; the general formula is [-N=P(X)₂-]ₙ
polyphotePertaining to or designating arc lamps constructed so that more than one can be used on a single circuit.
polyphthalamideA thermoplastic synthetic resin containing polyamide where most of the carboxylic acid portion of the repeating unit is composed of a combination of terephthalic and isophthalic acids.
polyphthalateAny polymer based of phthalate monomers
polyphthalocyanineAny of a family of polymers of phthalocyanine, the metal derivatives of which are used as catalysts in organic synthesis
polyphthongA phoneme that begins with the sound of one vowel or semivowel and transitions through one or more other (semi)vowel sounds.
polypileTo stack (items) so as to polymorph them into different items in a single turn.
polypillMedication that is a combination drug of at least four active ingredients; especially, one that is intended to be consumed widely, even by currently healthy individuals, as a means of preventive medicine.
polypinA plastic version of the kind of brewery cask called a pin (equal to half a firkin), popular in homebrewing and the off-trade (deliveries for home consumption).