12-letter words containing hy
- fluorography — photofluorography.
- formaldehyde — a colorless, toxic, potentially carcinogenic, water-soluble gas, CH 2 O, having a suffocating odor, usually derived from methyl alcohol by oxidation: used chiefly in aqueous solution, as a disinfectant and preservative, and in the manufacture of various resins and plastics.
- 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
- frank murphy — Frank, 1890–1949, U.S. statesman and jurist: associate justice of the U.S. Supreme Court 1940–49.
- gametophytes — Plural form of gametophyte.
- gametophytic — (botany) Of or pertaining to a gametophyte plant.
- gamophyllous — having leaves united by their edges.
- geohydrology — hydrogeology.
- geophysicist — the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and geomagnetism.
- 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.
- graft hybrid — a hybrid plant that is produced by grafting and that exhibits characters of both the stock and the scion.
- hedge hyssop — any plant of the genus Gratiola, a bitter herb used medicinally.
- hemihydrates — Plural form of hemihydrate.
- heptahydrate — a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO 4 ⋅7H 2 O.
- heterography — spelling different from that in current use.
- heteromorphy — (biology) The state or quality of being heteromorphic; heteromorphism.
- heterotrophy — The state of being a heterotroph.
- hexahydrates — Plural form of hexahydrate.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hybrid basis — A hybrid basis is a system of accounting that combines some of the features of cost basis with some of the features of accrual basis.
- hybrid vigor — heterosis.
- hydatidiform — like or resembling a hydatid
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydra-headed — containing many problems, difficulties, or obstacles.
- hydrargyrism — mercurialism.
- hydrastinine — a white, crystalline, poisonous alkaloid, C 11 H 13 NO 3 , synthesized from hydrastine: used to arrest bleeding, especially in the uterus.
- hydraulicked — (of an extracted mineral) excavated using water
- hydrobiology — the study of aquatic organisms.
- hydrobromate — (chemistry) hydrobromide.
- hydrobromide — a salt formed by the direct union of hydrobromic acid and an organic base, especially an alkaloid, usually more soluble than the base.
- hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydrochloric — of or derived from hydrochloric acid.
- hydrocolloid — a substance that forms a colloid when combined with water.
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- hydrocracker — a high-pressure processing unit used for hydrocracking.
- hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
- hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrofluoric — of or derived from hydrofluoric acid.
- 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.
- 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.
- hydrogenized — Simple past tense and past participle of hydrogenize.