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prognathism |
Noun
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the condition of being prognathous |
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putridness |
Noun
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in a state of progressive putrefaction |
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philosopher's stone |
Noun
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hypothetical substance that the alchemists believed to be capable of changing base metals into gold |
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philosophers' stone |
Noun
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hypothetical substance that the alchemists believed to be capable of changing base metals into gold |
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phlogiston |
Noun
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a hypothetical substance once believed to be present in all combustible materials and to be released during burning |
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purpura hemorrhagica |
Noun
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purpura associated with a reduction in circulating blood platelets which can result from a variety of factors |
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public security |
Noun
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the general security of public places |
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pyrogen |
Noun
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any substance that can cause a rise in body temperature |
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pyrogen |
Noun
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any substance characterized by its great flammability |
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pyelonephritis |
Noun
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inflammation of the kidney and its pelvis caused by bacterial infection |
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perilousness |
Noun
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the state of being dangerous |
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photoretinitis |
Noun
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damage to the retina resulting from exposure of the eye to the sun without adequate protection |
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presbyopia |
Noun
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a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45 |
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polyvalence |
Noun
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(toxicology) the state of being capable of counteracting more than one toxin or antigen or kind of microorganism |
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polyvalence |
Noun
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(chemistry) the state of having a valence greater than two |
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polyvalency |
Noun
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(toxicology) the state of being capable of counteracting more than one toxin or antigen or kind of microorganism |
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polyvalency |
Noun
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(chemistry) the state of having a valence greater than two |
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physical fitness |
Noun
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good physical condition |
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paracentral scotoma |
Noun
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a scotoma that is adjacent to the fixation point |
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polyploidy |
Noun
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the condition of being polyploid |
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paralysis |
Noun
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loss of the ability to move a body part |
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paresis |
Noun
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a slight or partial paralysis |
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paraparesis |
Noun
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a slight paralysis or weakness of both legs |
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polyphosphoric acid |
Noun
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a series of oxyacids of phosphorus |
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polymethyl methacrylate |
Noun
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a transparent plastic used as a substitute for glass |
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pyrogallol |
Noun
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a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer |
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pyrogallic acid |
Noun
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a toxic white lustrous crystalline phenol used to treat certain skin diseases and as a photographic developer |
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Perspex |
Noun
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a transparent thermoplastic acrylic resin |
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pyrophosphoric acid |
Noun
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a solid acid formed by reactions of orthophosphoric acid |
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pyrophosphate |
Noun
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a salt or ester of pyrophosphoric acid |
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plexiglass |
Noun
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a light transparent weather resistant thermoplastic |
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polyethylene |
Noun
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a lightweight thermoplastic |
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polythene |
Noun
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a lightweight thermoplastic |
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polyvinyl acetate |
Noun
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a vinyl polymer used especially in paints or adhesives |
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polyvinyl chloride |
Noun
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a polymer of vinyl chloride used instead of rubber in electric cables |
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phenylethylene |
Noun
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a colorless oily liquid |
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polystyrene |
Noun
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a polymer of styrene |
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polytetrafluoroethylene |
Noun
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a material used to coat cooking utensils and in industrial applications where sticking is to be avoided |
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polyelectrolyte |
Noun
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an electrolyte of high molecular weight |
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propanone |
Noun
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the simplest ketone |
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prussic acid |
Noun
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a solution of hydrogen cyanide in water |
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pina cloth |
Noun
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a fine cloth made from pineapple fibers |
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phosphorous acid |
Noun
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a clear or yellow monobasic acid (H3PO2) |
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plasticizer |
Noun
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a substance added to plastics or other materials to make them more pliable |
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plasticiser |
Noun
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a substance added to plastics or other materials to make them more pliable |
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protactinium |
Noun
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a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead |
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protoactinium |
Noun
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a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead |
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potassium alum |
Noun
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a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum |
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potash alum |
Noun
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a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum |
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pure gold |
Noun
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100 per cent gold |