20-letter words containing c, e, r, y
- greek-letter society — any student fraternity or sorority in a US university or college, usually using Greek letters in their title
- grey-crowned babbler — an insect-eating Australian bird, Pomatostomus temporalis of the family Timaliidae
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- hickory horned devil — regal moth
- hieroglyphic hittite — an extinct language of the Anatolian branch of Indo-European, written in a pictographic script in Syria c1200–c600 b.c.: the same language as written in cuneiform in Anatolia is known as Luwian.
- high-energy particle — Physics
- highbush huckleberry — black huckleberry.
- hire-purchase system — a system of payment for a commodity in regular installments while using it.
- honeysuckle ornament — anthemion.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
- hyperadrenocorticism — Cushing's syndrome.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
- hypercholesterolemic — (pathology) Of, pertaining to, or having hypercholesterolemia.
- hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
- hypodermic injection — the injection of a medicine or drug under the skin
- immunohistochemistry — the application of immunologic techniques to the chemical analysis of cells and tissues.
- incorporated company — a legally constituted company
- incremental analysis — (testing) Partial analysis of an incomplete product to allow early feedback on its development.
- industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
- insolvency provision — the right of employees of a firm that goes bankrupt or into receivership to receive money owed to them as wages, etc
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- integrity constraint — (database) A constraint (rule) that must remain true for a database to preserve data integrity. Integrity constraints are specified at database creation time and enforced by the database management system. Examples from a genealogical database would be that every individual must be their parent's child or that they can have no more than two natural parents.
- intercalary meristem — meristem in the internode of a stem.
- interplanetary space — the region of space occurring around the sun and planets of the solar system. The density is normally negligible although cosmic rays, meteorites, gas clouds, etc, can occur
- kentucky coffee tree — a tall North American tree, Gymnocladus dioica, of the legume family, the seeds of which (Kentucky coffee beans) were formerly used as a substitute for coffee beans.
- kluver-bucy syndrome — a syndrome caused by bilateral injury to the temporal lobes and characterized by memory defect, hypersexuality, excessive oral behavior, and diminished fear reactions.
- lafayette escadrille — a contingent of American aviators who in 1916 served as volunteers (Escadrille Américaine) in the French air force and in 1918 became the 103rd Pursuit Squadron of the U.S. Army.
- linguistic geography — dialect geography.
- liquidity preference — (in Keynesian economics) the degree of individual preference for cash over less liquid assets.
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- lost property office — room for mislaid objects
- lower layer protocol — (networking, protocol) (LLP, or lower-layer protocol) Any protocol residing in OSI layers one to four. These protocols package, route, verify and transmit datagrams. A prime example would be TCP/IP. Lower layer protocols support the upper layer protocols.
- magical mystery tour — something exciting and mysterious; esp an exploration of a new place where somebody being shown or taken around does not know where exactly they will be going
- magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
- mary, queen of scots — family name Stuart. 1542–87, queen of Scotland (1542–67); daughter of James V of Scotland and Mary of Guise. She was married to Francis II of France (1558–60), her cousin Lord Darnley (1565–67), and the Earl of Bothwell (1567–71), who was commonly regarded as Darnley's murderer. She was forced to abdicate in favour of her son (later James VI of Scotland) and fled to England. Imprisoned by Elizabeth I until 1587, she was beheaded for plotting against the English crown
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
- memory address space — (architecture) 1. Any part of a processor's address space that is occupied by memory. 2. The range of addresses seen by a memory device relative to the base address at which it is mapped into the processor's address space.
- methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
- mickey mouse program — (jargon) The North American equivalent of a "noddy program", i.e. trivial. The term doesn't necessarily have the belittling connotations of mainstream slang "Oh, that's just mickey mouse stuff!"; sometimes trivial programs can be very useful.
- microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
- miliary tuberculosis — tuberculosis in which the bacilli are spread by the blood from one point of infection, producing small tubercles in other parts of the body.
- mitral insufficiency — abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.
- molecular gastronomy — an approach to cooking in which a chef’s knowledge of physics, chemistry, and biology allows him or her to experiment with unusual flavour combinations and cooking techniques
- moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
- multistorey car park — a car park consisting of several levels
- negative electricity — the electricity present in a body or substance that has an excess of electrons, as the electricity developed on a resin when rubbed with flannel.
- network transparency — (networking) A feature of an operating system or other service which lets the user access a remote resource through a network without having to know if the resource is remote or local. For example NFS allow users to access remote files as if they were local files.