16-letter words containing c, a, o
- george mcclellan — George Brinton [brin-tn] /ˈbrɪn tn/ (Show IPA), 1826–85, Union general in the American Civil War.
- german cockroach — a common yellowish-brown cockroach, Blatta germanica, brought into the U.S. from Europe.
- global community — the people or nations of the world, considered as being closely connected by modern telecommunications and as being economically, socially, and politically interdependent
- globular cluster — a comparatively older, spherically symmetrical, compact group of up to a million old stars, held together by mutual gravitation, that are located in the galactic halo and move in giant and highly eccentric orbits around the galactic center.
- glycosylceramide — (organic chemistry) Any glycosyl derivative of a ceramide.
- gold certificate — a former U.S. paper currency issued by the federal government for circulation from 1865 to 1933, equal to and redeemable for gold to a stated value.
- gold-headed cane — a long thin stick with a curved or round top made of gold
- golden handcuffs — payments deferred over a number of years that induce a person to stay with a particular company or in a particular job
- golden parachute — an employment contract or agreement guaranteeing a key executive of a company substantial severance pay and other financial benefits in the event of job loss caused by the company's being sold or merged.
- goolagong cawley — Evonne [ih-von,, ee-von] /ɪˈvɒn,, iˈvɒn/ (Show IPA), born 1951, Australian tennis player.
- grace-and-favour — (of a house, flat, etc) owned by the sovereign and granted free of rent to a person to whom the sovereign wishes to express gratitude
- gram atomic mass — the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
- granulocytopenia — a diminished number of granulocytes in the blood, which occurs in certain forms of anaemia
- graphics adaptor — (hardware, graphics) (Or "graphics adapter", "graphics card", "video adaptor", etc.) A circuit board fitted to a computer, especially an IBM PC, containing the necessary video memory and other electronics to provide a bitmap display. Adaptors vary in the resolution (number of pixels) and number of colours they can display, and in the refresh rate they support. These parameters are also limited by the monitor to which the adaptor is connected. A number of such display standards, e.g. SVGA, have become common and different software requires or supports different sets.
- greyhound racing — a sport in which a mechanically propelled dummy hare is pursued by greyhounds around a race track
- grid declination — the angular difference between true north and grid north on a map
- ground substance — Also called matrix. the homogeneous substance in which the fibers and cells of connective tissue are embedded.
- growth substance — any substance, produced naturally by a plant or manufactured commercially, that, in very low concentrations, affects plant growth; a plant hormone
- guaranteed stock — stock for which dividends are guaranteed by a company other than the one issuing the stock.
- gun control laws — the laws that restrict the possession and use of guns
- gyratory crusher — A gyratory crusher is a crusher in which a cone-shaped rod rotates in a cone-shaped bowl.
- haemochromatosis — (British spelling) alternative spelling of hemochromatosis.
- haemodynamically — from a hemodynamic point of view
- hair conditioner — a substance used, often after shampooing, to detangle and improve the condition of the hair. Like shampoo, it is applied to wet hair and then rinsed out after applying.
- hairy woodpecker — a North American woodpecker, Picoides villosus, resembling but larger than the downy woodpecker.
- hard rock mining — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hard-packed snow — snow which becomes very firmly packed as it becomes refrozen due to cold weather conditions rather than melting
- hardrock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hawthorne effect — a positive change in the performance of a group of persons taking part in an experiment or study due to their perception of being singled out for special consideration.
- hayes-compatible — (communications) A description of a modem which understands the same set of commands as one made by Hayes.
- head post office — the main post office in a town
- health education — education that aims to give people the information they need to live healthily
- health inspector — a public employee who inspects places such as restaurants, shops, factories etc to make sure they are hygienic and do not pose any dangers to health
- health-conscious — having an active interest in one's health
- healthcare proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
- heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
- heliotherapeutic — Pertaining to heliotherapy.
- hematocrit-value — a centrifuge for separating the cells of the blood from the plasma.
- hematocrystallin — (biology, archaic) hemoglobin.
- hemolytic anemia — an anemic condition characterized by the destruction of red blood cells: seen in some drug reactions and in certain infectious and hereditary disorders.
- hemotherapeutics — hemotherapy.
- hepatopancreases — Plural form of hepatopancreas.
- heralds' college — a royal corporation in England, instituted in 1483, concerned chiefly with armorial bearings, genealogies, honors, and precedence.
- hermaphroditical — Alternative form of hermaphroditic.
- heroin addiction — addiction to the drug heroin
- hexachloroethane — a colorless crystalline compound, C 2 Cl 6 , with a camphorlike odor, soluble in alcohol and ether, insoluble in water: used in organic synthesis and pyrotechnics, as a retarding agent in fermentation, and as a solvent.
- hexanedioic acid — adipic acid.
- hieroglyphically — In hieroglyphics.
- hierophantically — In a hierophantic manner; in the manner of a hierophant.
- high-performance — A high-performance car or other product goes very fast or does a lot.