| acantholysis | (noun) a breakdown of a cell layer in the epidermis (as in pemphigus) | - |
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| acolyte | (noun) someone who assists a priest or minister in a liturgical service; a cleric ordained in the highest of the minor orders in the Roman Catholic Church but not in the Anglican Church or the Eastern Orthodox Churches | - |
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| amphiboly | (noun) an ambiguous grammatical construction; e.g., `they are flying planes' can mean either that someone is flying planes or that something is flying planes | Synonyms: amphibology |
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| ampholyte | (noun) A substance that acts as a base or an acid, depending on the pH of the solution into which it is introduced. | Synonyms: amphoteric electrolyte |
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| amylolysis | (noun) conversion of starch to sugar | - |
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| anxiolytic | (noun) a tranquilizer used to relieve anxiety and reduce tension and irritability | Synonyms: antianxiety drug, anxiolytic drug, minor tranquilizer, minor tranquilliser, minor tranquillizer |
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| autolysis | (noun) lysis of plant or animal tissue by an internal process | Synonyms: self-digestion |
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| bacteriolysis | (noun) dissolution or destruction of bacteria | - |
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| cooly | (noun) (ethnic slur) an offensive name for an unskilled Asian laborer | Synonyms: coolie |
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| copolymer | (noun) a polymer consisting of two or more different monomers | - |
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| cytolysin | (noun) a substance that partly or completely destroys animal cells | - |
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| cytolysis | (noun) pathological breakdown of cells by the destruction of their outer membrane | - |
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| dielectrolysis | (noun) the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode | Synonyms: cataphoresis, electrophoresis, ionophoresis |
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| electrolysis | (noun) removing superfluous or unwanted hair by passing an electric current through the hair root | - |
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| (noun) (chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions | - |
| electrolyte | (noun) a solution that conducts electricity | - |
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| electrolytic | (noun) a fixed capacitor consisting of two electrodes separated by an electrolyte | Synonyms: electrolytic capacitor, electrolytic condenser |
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| endolymph | (noun) the bodily fluid that fills the membranous labyrinth of the inner ear | - |
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| erythrocytolysin | (noun) any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin | Synonyms: erythrolysin, haemolysin, hemolysin |
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| erythrolysin | (noun) any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin | Synonyms: erythrocytolysin, haemolysin, hemolysin |
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| fibrinolysin | (noun) an enzyme that dissolves the fibrin of blood clots | Synonyms: plasmin |
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| fibrinolysis | (noun) a normal ongoing process that dissolves fibrin and results in the removal of small blood clots | - |
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| glycolysis | (noun) a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and releases energy for the body in the form of ATP | - |
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| haematolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haemolysis, hematolysis, hemolysis |
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| haemolysin | (noun) any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin | Synonyms: erythrocytolysin, erythrolysin, hemolysin |
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| haemolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haematolysis, hematolysis, hemolysis |
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| hematolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haematolysis, haemolysis, hemolysis |
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| hemimetaboly | (noun) incomplete or partial metamorphosis in insects | Synonyms: hemimetabolism, hemimetamorphosis |
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| hemolysin | (noun) any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin | Synonyms: erythrocytolysin, erythrolysin, haemolysin |
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| hemolysis | (noun) lysis of erythrocytes with the release of hemoglobin | Synonyms: haematolysis, haemolysis, hematolysis |
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| heterometaboly | (noun) development of insects with incomplete metamorphosis in which no pupal stage precedes maturity | Synonyms: heterometabolism |
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| holometaboly | (noun) complete metamorphosis in insects | Synonyms: holometabolism |
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| holy | (noun) a sacred place of pilgrimage | Synonyms: holy place, sanctum |
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| holystone | (noun) a soft sandstone used for scrubbing the decks of a ship | - |
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| hydrolysate | (noun) a product of hydrolysis | - |
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| hydrolysis | (noun) a chemical reaction in which water reacts with a compound to produce other compounds; involves the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion from the water | - |
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| karyolymph | (noun) a clear liquid in the cell nucleus in which the nucleolus and chromatin and other structures are dispersed | - |
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| karyolysis | (noun) disintegration and dissolution of a cell nucleus when a cell dies | - |
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| melancholy | (noun) a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy | Synonyms: black bile |
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| (noun) a feeling of thoughtful sadness | - |
| (noun) a constitutional tendency to be gloomy and depressed | - |
| molybdenite | (noun) a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds | - |
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| molybdenum | (noun) a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel | Synonyms: atomic number 42, Mo |
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| monopoly | (noun) (economics) a market in which there are many buyers but only one seller | - |
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| (noun) exclusive control or possession of something | - |
| mucopolysaccharide | (noun) complex polysaccharides containing an amino group; occur chiefly as components of connective tissue | - |
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| mucopolysaccharidosis | (noun) any of a group of genetic disorders involving a defect in the metabolism of mucopolysaccharides resulting in greater than normal levels of mucopolysaccharides in tissues | - |
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| necrolysis | (noun) disintegration and dissolution of dead tissue | - |
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| neurolysin | (noun) any toxin that affects neural tissues | Synonyms: neurotoxin |
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| oligopoly | (noun) (economics) a market in which control over the supply of a commodity is in the hands of a small number of producers and each one can influence prices and affect competitors | - |
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| onycholysis | (noun) separation of a nail from its normal attachment to the nail bed | - |
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| osteolysis | (noun) lysis of bone caused by disease or infection or inadequate blood supply | - |
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| polyamide | (noun) a polymer containing repeated amide groups | Synonyms: polymeric amide |
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| polyandrist | (noun) a woman with two or more husbands | - |
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| polyandry | (noun) the state of having more than one husband at a time | - |
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| polyanthus | (noun) florists' primroses; considered a complex hybrid derived from oxlip, cowslip, and common primrose | Synonyms: Primula polyantha |
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| polyarteritis | (noun) inflammation of several arteries | - |
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| polybutene | (noun) a polymer of butylene; used in lubricants and synthetic rubber | Synonyms: polybutylene |
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| polybutylene | (noun) a polymer of butylene; used in lubricants and synthetic rubber | Synonyms: polybutene |
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| polychaete | (noun) chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles | Synonyms: polychaete worm, polychete, polychete worm |
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| polychete | (noun) chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles | Synonyms: polychaete, polychaete worm, polychete worm |
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| polychrome | (noun) a piece of work composed of or decorated in many colors | - |
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| polycythemia | (noun) a disorder characterized by an abnormal increase in the number of red blood cells in the blood | - |
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| polydactyly | (noun) birth defect characterized by the presence of more than the normal number of fingers or toes | Synonyms: hyperdactyly |
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| polydipsia | (noun) excessive thirst (as in cases of diabetes or kidney dysfunction) | - |
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| polyelectrolyte | (noun) an electrolyte of high molecular weight | - |
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| polyester | (noun) any of a large class of synthetic fabrics | - |
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| (noun) any of numerous synthetic resins; they are light and strong and weather resistant | - |
| (noun) a complex ester used for making fibers or resins or plastics or as a plasticizer | - |
| polyethylene | (noun) a lightweight thermoplastic; used especially in packaging and insulation | Synonyms: polythene |
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| polyfoam | (noun) a foam made by adding water to polyurethane plastics | Synonyms: polyurethane foam |
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| polygamist | (noun) someone who is married to two or more people at the same time | - |
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| polygamy | (noun) the condition or practice of having more than one spouse at a time | - |
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| polygene | (noun) a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations | - |
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| polyglot | (noun) a person who speaks more than one language | Synonyms: linguist |
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| polygon | (noun) a closed plane figure bounded by straight sides | Synonyms: polygonal shape |
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| polygraph | (noun) a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration) | - |
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| polygynist | (noun) a man with two or more wives | - |
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| polygyny | (noun) a form of polygamy in which a man has multiple wives | - |
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| polyhedron | (noun) a solid figure bounded by plane polygons or faces | - |
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| polyhidrosis | (noun) excessive and profuse perspiration | Synonyms: hyperhidrosis, hyperidrosis |
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| polymastigote | (noun) flagellates with several flagella | - |
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| polymath | (noun) a person of great and varied learning | - |
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| polymer | (noun) a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers | - |
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| polymerase | (noun) an enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNA | - |
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| polymerisation | (noun) a chemical process that combines several monomers to form a polymer or polymeric compound | Synonyms: polymerization |
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| polymerization | (noun) a chemical process that combines several monomers to form a polymer or polymeric compound | Synonyms: polymerisation |
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| polymetry | (noun) The combining of different metres simultaneously. | - |
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| polymorph | (noun) an organism that can assume more than one adult form as in the castes of ants or termites | - |
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| polymorphism | (noun) (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences) | - |
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| (noun) (chemistry) the existence of different kinds of crystal of the same chemical compound | Synonyms: pleomorphism |
| (noun) (genetics) the genetic variation within a population that natural selection can operate on | - |
| polymyositis | (noun) myositis characterized by weakness of limb and neck muscles and much muscle pain and swelling; progression and severity vary among individuals | - |
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| polymyxin | (noun) any of several toxic antibiotics obtained from a particular soil bacterium | - |
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| polyneuritis | (noun) inflammation of many or all of the peripheral nerves (as in leprosy) | Synonyms: multiple neuritis |
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| polynomial | (noun) a mathematical function that is the sum of a number of terms | Synonyms: multinomial |
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| polynucleotide | (noun) (biochemistry) a linear polymer whose molecule is composed of many nucleotide units constituting a section of a nucleic acid molecule | - |
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| polynya | (noun) a stretch of open water surrounded by ice (especially in Arctic seas) | - |
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| polyoma | (noun) a virus that can initiate various kinds of tumors in mice | Synonyms: polyoma virus |
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| polyose | (noun) any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules | Synonyms: polysaccharide |
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| polyp | (noun) one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth | - |
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| (noun) a small vascular growth on the surface of a mucous membrane | Synonyms: polypus |
| polypectomy | (noun) surgical removal of a polyp | - |
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| polypeptide | (noun) a peptide containing 10 to more than 100 amino acids | - |
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| polyphone | (noun) a letter that has two or more pronunciations | Synonyms: polyphonic letter |
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| polyphony | (noun) music arranged in parts for several voices or instruments | Synonyms: concerted music, polyphonic music |
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| polyphosphate | (noun) a salt or ester of polyphosphoric acid | - |
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| polyplacophore | (noun) primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates | Synonyms: chiton, coat-of-mail shell, sea cradle |
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| polyploid | (noun) (genetics) an organism or cell having more than twice the haploid number of chromosomes | - |
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