12-letter words containing g, a, y, o
- gourd family — the plant family Cucurbitaceae, characterized by tendril-bearing vines, either trailing or climbing and having alternate, palmately lobed leaves, often large yellow or greenish flowers, and many-seeded, fleshy fruit with a hard rind, and including the cucumber, gourd, melon, pumpkin, and squash.
- grammatology — the scientific study of systems of writing.
- grand canyon — a gorge of the Colorado River in N Arizona. over 200 miles (320 km) long; 1 mile (1.6 km) deep.
- granny woman — midwife (def 1).
- granulocytes — Plural form of granulocyte.
- granulocytic — Of, or pertaining to, granulocytes.
- graph theory — the branch of mathematics dealing with linear graphs.
- grass hockey — field hockey.
- gratuitously — given, done, bestowed, or obtained without charge or payment; free; voluntary.
- grayanotoxin — a toxin found in the nectar of some species of rhododendron and other plants of the family Ericaceae and in food made from their nectar, as unpasteurized honey, poisonous to humans and animals.
- grayson kirk — Grayson (Louis) 1903–1997, U.S. educator: president of Columbia University 1953–68.
- greasy spoon — a cheap and rather unsanitary restaurant.
- gregariously — fond of the company of others; sociable.
- gymnocarpous — (of a fungus or lichen) having the apothecium open and attached to the surface of the thallus.
- gynaecocracy — Alternative form of gynecocracy.
- gynantherous — having the stamens converted into pistils by the action of frost, disease, or insects.
- gynecomastia — abnormal enlargement of the breast in a male.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- gyromagnetic — of or relating to the magnetic properties of a rotating charged particle.
- 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.
- 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.
- heterogamety — the condition or state of being heterogametic
- heterography — spelling different from that in current use.
- 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.
- honey badger — ratel.
- hydrogenated — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- 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.
- hydrological — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- hydroplaning — a seaplane.
- hygrochastic — of or relating to the opening of a fruit or flower caused by water or moisture
- hygrographic — of or relating to a hygrograph
- hygrothermal — (physics) Of or pertaining to both humidity and temperature.
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hypoallergic — Hypoallergenic.
- hypogastrium — the lower and median part of the abdomen.
- hypoglycemia — 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.
- illogicality — illogic.
- implantology — the branch of dentistry dealing with the permanent implantation or attachment of artificial teeth in the jaw.