12-letter words containing p, y, o, g
- epistemology — The theory of knowledge, especially with regard to its methods, validity, and scope. Epistemology is the investigation of what distinguishes justified belief from opinion.
- epoxylignane — (organic chemistry) Any lignane in which the two \u03b3-carbon atoms of the side chains are linked via an oxygen atom to form a tetrahydrofuran ring.
- esophagotomy — (surgery) The operation of making an incision into the esophagus for the purpose of removing an obstruction.
- fluorography — photofluorography.
- formyl group — the univalent group HCO–, derived from formic acid.
- fractography — the study of fractures or cracks in a material, esp metal, in order to predict or identify the cause of a failure in a structure
- galley proof — a proof, originally one set from type in a galley, taken before the material has been made up into pages and usually printed as a single column of type with wide margins for marking corrections.
- gametophytes — Plural form of gametophyte.
- gametophytic — (botany) Of or pertaining to a gametophyte plant.
- gamophyllous — having leaves united by their edges.
- gastroplasty — any plastic surgery on the stomach.
- geophysicist — the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and geomagnetism.
- glossography — a glossator.
- glycerolipid — (organic chemistry) Any lipid based on glycerol.
- glycopeptide — any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein.
- glycoprotein — any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein.
- glyphography — a plate-making process in which an electrotype is made from an engraved copper plate
- glyptography — the description or study of engraved gems or other stones.
- god's plenty — an abundant or overabundant quantity.
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- golden syrup — treacle (def 2b).
- graph theory — the branch of mathematics dealing with linear graphs.
- greasy spoon — a cheap and rather unsanitary restaurant.
- group theory — the branch of mathematics that deals with the structure of mathematical groups and mappings between them.
- gymnocarpous — (of a fungus or lichen) having the apothecium open and attached to the surface of the thallus.
- gymnosophist — one of a group of Jainist philosophers, existing from ancient times to c1000, characterized by refusal to wear clothes and the abandonment of caste marks; a member of the Digambara sect.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- hedge hyssop — any plant of the genus Gratiola, a bitter herb used medicinally.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- heterography — spelling different from that in current use.
- hieroglyphic — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
- high polymer — a polymer composed of a large number of monomers.
- hydrographer — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydrographic — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydroplaning — a seaplane.
- hygrographic — of or relating to a hygrograph
- hygrophilous — a plant that thrives in wet or very moist ground.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hypnogenesis — induction of the hypnotic state.
- hypoallergic — Hypoallergenic.
- hypogastrium — the lower and median part of the abdomen.
- hypoglycemia — an abnormally low level of glucose in the blood.
- hypoglycemic — an abnormally low level of glucose in the blood.
- hypognathous — having the lower jaw or mandible longer than the upper.
- hypogonadism — diminished hormonal or reproductive functioning in the testes or the ovaries.
- hypophrygian — (in medieval church music) of or relating to the fourth of the eight scales
- hypsographic — a branch of geography that deals with the measurement and mapping of the topography of the earth above sea level.
- ichthyophagy — the practice of eating or subsisting on fish.
- implantology — the branch of dentistry dealing with the permanent implantation or attachment of artificial teeth in the jaw.