Index of letter P
| p- | See para- |
| pachy- | Thick. |
| -paedia | See -pedia |
| paed(o)- | Child; relating to children. |
| -pagus | Conjoined twins. |
| palae(o)- | Ancient. |
| palato- | Palate. |
| pali(n)- | Again. |
| pan- | All-inclusive. |
| pancreat(o)- | The pancreas. |
| panto- | See pan- |
| papillo- | A papilla. |
| papulo- | A papule. |
| par(a)-1 | Beside; adjacent to. |
| para-2 | Protection; parachuting. |
| parieto- | Body cavity; hollow structure. |
| -parous | Bearing; producing. |
| partheno- | Without fertilization. |
| -path | See -pathy |
| path(o)- | Disease. |
| -pathy | Disease or disorder; treatment of disease. |
| patr(i)- | Father. |
| pebi- | see the entry Words for multiples. |
| -ped | Having feet of a given type or number. |
| ped- | See paedo- and pedi- |
| pedi- | Foot. |
| -pedia | Compendium of information. |
| pedo-1 | Soil or soil types. |
| pedo-2 | See paedo- |
| pelvi- | The pelvis. |
| pen(e)- | Almost; nearly. |
| -penia | Deficiency in a component of the blood. |
| pent(a)- | Five; having five. |
| per- | Through; all over; completely. |
| -percenter | See -er1 |
| perchloro- | See per- |
| peri- | Round; about. |
| pero- | Deformity. |
| peroxy- | See per- |
| -person | Gender-neutral alternative to ‘man’ in compounds. |
| peta- | In units of measurement, a factor of 1015. |
| -petal | Seeking; moving towards. |
| petro- | Rocks; petroleum. |
| -pexy | Surgical operation for fixing an organ in position. |
| phaco- | Lens of the eye; lens shaped. |
| phaeo- | Dusky. |
| phag(o)- | Feeding, eating. |
| -phagy | Feeding or subsisting on a specified food. |
| phallo- | Penis. |
| -phane | Having a given appearance. |
| phanero- | Visible. |
| pharmac(o)- | Drugs, medicines. |
| pharyng(o)- | Pharynx. |
| -phasia | Speech disorder. |
| phen(o)- | Benzene compounds; showing. |
| -phile | Lover of or enthusiast for; having an affinity with a given thing. |
| phil(o)- | Liking for a specified thing. |
| phleb(o)- | A vein. |
| -phobia | Extreme or irrational fear or dislike. |
| -phone | Sound. |
| phon(o)- | Sound. |
| -phony | See -phone |
| -phore | An agent, bearer, or producer of a specified thing. |
| phosph(o)- | Phosphorus; light. |
| photo- | Light; photography. |
| -phrenia | Mental disorder. |
| -phyceae | Alga. |
| phyco- | Seaweeds and algae. |
| -phyll | Leaf. |
| phyll(o)- | Leaf. |
| phyl(o)- | Race; group. |
| -phyre | Porphyritic rocks. |
| physico- | Physical; physical and … |
| physi(o)- | Nature; physiology. |
| physo- | Air or gas. |
| -phyte | A plant or plant-like organism. |
| phyto- | A plant. |
| pico- | In units of measurement, a factor of 10-12. |
| picr(o)- | Bitter tasting; picric acid. |
| piezo- | Pressure. |
| pil(o)- | Hair. |
| pinn(i)- | Wings, fins, or feathers. |
| pisc(i)- | Fish. |
| -pithecus | Genera of fossil apes. |
| placo- | A plate. |
| plagio- | Oblique. |
| plan(o)- | Level or flat. |
| -plasm | Growth or development; living substance; tissue. |
| plasm(o)- | Plasma or plasm. |
| -plast | See -plasm |
| -plasty | Reconstructive surgery. |
| platin(o)- | Platinum. |
| platy- | Broad or flat. |
| -plegia | Paralysis. |
| pleo- | More. |
| pleur(o)- | The pleurae; the side of the body. |
| -plex | Having a given number of parts or units. |
| plio- | See pleo- |
| -ploid | The number of sets of chromosomes in a cell. |
| -ploitation | Commercial exploitation in film and other media. |
| plumb(o)- | Lead. |
| pluri- | Several. |
| pneumo- | The lungs; air or gas; spirit. |
| -pnoea | Breath, respiration. |
| -pod | Foot or feet. |
| pod(o)- | Foot. |
| -poiesis | Production, formation. |
| poikilo- | Variegated; variable. |
| polio- | Tissue in the nervous system; grey matter. |
| -polis | A city. |
| politico- | Politically; political and … |
| poly- | Many, much. |
| porno- | Pornography. |
| por(o)- | A pore. |
| post- | After in time or order. |
| postero- | Posterior. |
| prae- | See pre- |
| -praxia | Action; practice. |
| pre- | Prior to; before; earlier; in front of. |
| preter- | More than. |
| pro-1 | Favour or support; forwards, out, or away; substitute or deputy. |
| pro-2 | Before in time, place, order, etc. |
| proct(o)- | Anus or rectum. |
| prop- | A three-carbon chain of atoms. |
| pros(o)- | Towards, forward, anterior. |
| prosop(o)- | Face; person. |
| prote(o)- | Protein. |
| proto- | Original or first; primitive or ancestral. |
| pseud(o)- | False; imitative. |
| psilo- | Bare, smooth. |
| psych(o)- | The mind; psychology. |
| -ptera | Winged animals. |
| pterido- | A fern. |
| ptero- | A wing. |
| pteryg(o)- | Wing-like. |
| ptyalo- | Saliva; salivary gland. |
| pur- | Forwards, out, or away. |
| py- | See pyo- |
| pycn(o)- | Compact; dense. |
| pyel(o)- | The pelvis of the kidney. |
| pyg(o)- | The buttocks. |
| pylor(o)- | The pylorus. |
| py(o)- | Pus. |
| pyr(o)- | Fire. |
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