12-letter words containing a, c, o, e, l
- genetic load — the extent to which a population deviates from the theoretically fittest genetic constitution.
- geniculation — the state of being geniculate.
- geobotanical — of or relating to geobotany
- geocentrical — Alternative form of geocentric.
- geodetically — pertaining to geodesy.
- geographical — of or relating to geography.
- geologically — of, relating to, or based on geology.
- geopolitical — the study or the application of the influence of political and economic geography on the politics, national power, foreign policy, etc., of a state.
- geosynclinal — Geology. pertaining to a synclinal fold that involves a relatively large part of the earth's surface.
- geotechnical — of or relating to practical applications of geological science in civil engineering, mining, etc.
- gesticulator — to make or use gestures, especially in an animated or excited manner with or instead of speech.
- glaucousness — Quality of being glaucous.
- global reach — When people talk about the global reach of a company or industry, they mean its ability to have customers in many different parts of the world.
- 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.
- grade school — an elementary school that has its pupils grouped or classified into grades.
- gram calorie — calorie (def 1a). Abbreviation: g-cal.
- grand coulee — a dry canyon in central Washington: cut by the Columbia River in the glacial period. 52 miles (84 km) long; over 400 feet (120 meters) deep.
- granulocytes — Plural form of granulocyte.
- gravicembalo — a harpsichord.
- green-collar — noting or pertaining to workers, jobs, or businesses that are involved in protecting the environment or solving environmental problems.
- ground cable — a heavy chain for securing permanent floating moorings, as a number of mooring buoys.
- haemophiliac — A person with haemophilia.
- half section — a part that is cut off or separated.
- half-covered — to be or serve as a covering for; extend over; rest on the surface of: Snow covered the fields.
- 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.
- hallucinogen — a substance that produces hallucinations.
- halobacteria — Plural form of halobacterium.
- halotrichite — a mineral, iron alum, isomorphous with pickeringite, occurring in the form of yellowish fibers.
- happy couple — two people in a happy romantic relationship, especially two people who have just married
- helicobacter — Any member of the Helicobacter bacteria.
- helicographs — Plural form of helicograph.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- hellaciously — In a hellacious manner.
- hello packet — (networking, communications) An OSPF packet sent periodically on each network interface, real or virtual, to discover and test connections to neighbours. Hello packets are multicast on physical networks capable of multicasting or broadcasting to enable dynamic router discovery. They include the parameters that routers connected to a common network must agree on. Hello packets increase network resilience by, e.g., allowing a router to establish a secondary connection when a primary connection fails.
- 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.
- hemophiliacs — Plural form of hemophiliac.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- heterocercal — having an unequally divided tail, characteristic of sharks, rays, and skates.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hexachloride — a chloride containing six atoms of chlorine.
- hexadecapole — (physics) Anything having sixteen poles or electrodes, or a combination of four quadrupoles.