20-letter words containing i, c, t, y
- gravimetric analysis — analysis by weight.
- greek-letter society — any student fraternity or sorority in a US university or college, usually using Greek letters in their title
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- 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
- hire-purchase system — a system of payment for a commodity in regular installments while using it.
- historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.
- hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- 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.
- in a class by itself — unique
- 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
- industrial sociology — the sociological study of social relationships and social structures in business settings.
- 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
- 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.
- longitude by account — the longitude of the position of a vessel as estimated by dead reckoning.
- lost property office — room for mislaid objects
- 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.
- megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
- 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.
- missionary apostolic — an honorary title conferred by the pope on certain missionaries.
- 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.
- multistorey car park — a car park consisting of several levels
- naturalistic fallacy — the supposed fallacy of inferring evaluative conclusions from purely factual premises
- 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.
- neuropsychiatrically — In terms of neuropsychiatry.
- new democratic party — the Canadian social democratic party formed in 1961
- nickel tetracarbonyl — nickel carbonyl.
- nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
- noncatalytic reactor — A noncatalytic reactor is a reactor in which no catalyst is used.
- nondirective therapy — client-centered therapy.
- not mince your words — If you say that someone does not mince their words, you mean that they speak in a forceful and direct way, especially when saying something unpleasant to someone.
- occupational therapy — a form of therapy in which patients are encouraged to engage in vocational tasks or expressive activities, as art or dance, usually in a social setting.
- olfactory anesthesia — absence or loss of the sense of smell.
- omega-3 (fatty acid) — a type of polyunsaturated fatty acid in fish oil, shellfish, soybeans, etc., linked to low cholesterol and low LDL levels