12-letter words containing a, c, s, e, o
- furfuraceous — of or containing bran.
- galactoscope — a lactoscope.
- galactosemia — an inherited disorder characterized by the inability to metabolize galactose and requiring a galactose-free diet to avoid consequent mental retardation and eye, spleen, and liver abnormalities.
- galactosides — Plural form of galactoside.
- gallinaceous — pertaining to or resembling the domestic fowls.
- galvanoscope — an instrument for detecting the existence of an electric current and determining its direction.
- game console — Also called game(s) console, gaming console, video-game console. a computer system specially made for playing video games by connecting it to a television or other display for video and sound.
- gastrocnemii — Plural form of gastrocnemius.
- gastroscopes — Plural form of gastroscope.
- geneva cross — a red Greek cross on a white background, displayed to distinguish ambulances, hospitals, and persons belonging to the Red Cross Society.
- geomechanics — the study and application of rock and soil mechanics
- geostrategic — Of, pertaining to, or using geostrategy.
- geosynclinal — Geology. pertaining to a synclinal fold that involves a relatively large part of the earth's surface.
- geraniaceous — belonging to the Geraniaceae, the geranium family of plants.
- gesticulator — to make or use gestures, especially in an animated or excited manner with or instead of speech.
- glaucousness — Quality of being glaucous.
- glossematics — a school of linguistic analysis developed by Louis Hjelmslev (1899–1965) in Copenhagen in the 1930s based on the study of the distribution of glossemes.
- glycosidases — Plural form of glycosidase.
- glycosylated — Simple past tense and past participle of glycosylate.
- graciousness — pleasantly kind, benevolent, and courteous.
- grade school — an elementary school that has its pupils grouped or classified into grades.
- graminaceous — Of, pertaining to, or resembling a grass.
- granulocytes — Plural form of granulocyte.
- grass hockey — field hockey.
- groom's cake — a fruit cake in layers of graduated size, served at a wedding.
- gynecomastia — abnormal enlargement of the breast in a male.
- hagiocracies — Plural form of hagiocracy.
- half section — a part that is cut off or separated.
- half-section — a part that is cut off or separated.
- hall process — a process in which aluminum is refined by electrolytic reduction of alumina fused with cryolite.
- hash cookies — biscuits containing cannabis
- helicographs — Plural form of helicograph.
- hellaciously — In a hellacious manner.
- hells canyon — a canyon on the Snake River in S Idaho and along the Oregon border: 125 miles (210 km) long with a maximum depth of about 7900 feet (2408 meters).
- hematocolpos — (medicine) A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen.
- hemerocallis — the genus comprising the day lilies.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophiliacs — Plural form of hemophiliac.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexacosanoic — as in hexacosanoic acid
- hierocracies — Plural form of hierocracy.
- hockey skate — a tubular ice skate having a shorter blade than a racing skate and often having a reinforced shoe for protection.
- hoisin sauce — a thick, sweet, spicy condiment containing soybeans, sugar, garlic, and chili peppers, used in cooking or as an accompaniment to meat, fish, or poultry, especially Peking duck.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- horse-collar — (especially in baseball) a score of zero.
- housecleaner — Someone employed to clean a house.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hypercoaster — Megacoaster.
- hypersarcoma — a growth of proud or fungous flesh