12-letter words containing y, o, g, h
- geophysicist — the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and geomagnetism.
- geothermally — By geothermal means, especially by means of geothermal energy.
- gigantomachy — (in Greek mythology) the struggle between the gods and the giants.
- glossography — a glossator.
- 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.
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- goldsmithery — the occupation of a goldsmith
- graph theory — the branch of mathematics dealing with linear graphs.
- grass hockey — field hockey.
- group theory — the branch of mathematics that deals with the structure of mathematical groups and mappings between them.
- 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.
- gynantherous — having the stamens converted into pistils by the action of frost, disease, or insects.
- gyro horizon — artificial horizon (def 3).
- hamartiology — the doctrine of sin in Christian theology
- hangchow bay — a bay of the East China Sea.
- hangtown fry — a type of omelet to which fried oysters, bacon, and sometimes onions are added.
- headstrongly — In a headstrong manner.
- heavy oxygen — either of the two stable isotopes of oxygen having mass numbers of 17 and 18.
- hedge hyssop — any plant of the genus Gratiola, a bitter herb used medicinally.
- hemorheology — The science of the rheological (especially flow) properties of the blood.
- 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.
- heterodyning — Present participle of heterodyne.
- heterogamety — the condition or state of being heterogametic
- heterography — spelling different from that in current use.
- heterogynous — having females of two different kinds, one sexual and the other abortive or neuter, as ants.
- heterozygote — a hybrid containing genes for two unlike forms of a characteristic, and therefore not breeding true to type.
- heterozygous — having dissimilar pairs of genes for any hereditary characteristic.
- 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 country — a mountainous area below the timberline; a forested mountain area.
- high polymer — a polymer composed of a large number of monomers.
- high society — society (def 9).
- high wycombe — a town in S central England, in S Buckinghamshire: furniture industry. Pop: 77 178 (2001)
- highway code — In Britain, the Highway Code is an official book published by the Department of Transport, which contains the rules which tell people how to use public roads safely.
- historiology — (obsolete) a discourse on history.
- hominy grits — grits (def 1).
- homo-zygotic — having identical pairs of genes for any given pair of hereditary characteristics.
- homozygosity — having identical pairs of genes for any given pair of hereditary characteristics.
- honey badger — ratel.
- honey fungus — an edible basidiomycetous fungus, Armillaria mellea, having a yellow-spotted cap and wrinkled stems, parasitic on the roots of woody plants, which it may kill by root rot. It spreads by thin black underground strands
- honeycombing — Present participle of honeycomb.
- honeymooning — (of a married couple) On a honeymoon.
- horrifyingly — In a horrifying manner.
- hybrid vigor — heterosis.
- hydrobiology — the study of aquatic organisms.
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.
- hydroforming — the production of high-octane aromatic compounds for motor fuels by catalytic reforming of naphthas in the presence of hydrogen.
- hydrogen ion — ionized hydrogen of the form H + , found in aqueous solutions of all acids.