20-letter words containing a, l, n, y
- glyceryl monoacetate — acetin.
- goldenhar's syndrome — a congenital disorder in which one side of the face is malformed, often with an enlargement of one side of the mouth. There may also be hearing loss, curvature of the spine, and mild retardation
- gravimetric analysis — analysis by weight.
- grey-crowned babbler — an insect-eating Australian bird, Pomatostomus temporalis of the family Timaliidae
- have come a long way — If you say that someone or something has come a long way, you mean that they have developed, progressed, or become very successful.
- high-energy particle — Physics
- himalayan guinea pig — a variety of short-haired guinea pig with markings on its nose, ears, and feet
- holy water sprinkler — morning star (def 2).
- honeysuckle ornament — anthemion.
- horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
- hospitality industry — the hotel and accommodation industry
- hudson's bay blanket — a woollen blanket with wide stripes
- 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.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- hyperlipoproteinemia — Pathology. any of various disorders of lipoprotein metabolism, usually characterized by abnormally high levels of cholesterol and certain lipoproteins in the blood.
- ignatius (of) loyola — Saint(born Iñigo López de Recalde) (1491-1556); Sp. priest: founder of the Society of Jesus (Jesuit order): his day is July 31
- in (or out of) play — in (or not in) the condition for continuing play
- in a class by itself — unique
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- in the last analysis — after everything has been given due consideration
- incremental analysis — (testing) Partial analysis of an incomplete product to allow early feedback on its development.
- indistinguishability — The state of being indistinguishable.
- 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.
- infiltration gallery — a conduit, built in permeable earth, for collecting ground water.
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- intercalary meristem — meristem in the internode of a stem.
- international system — an internationally accepted coherent system of physical units, derived from the MKSA (meter-kilogram-second-ampere) system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic units (SI units) respectively of the fundamental quantities of length, mass, time, electric current, temperature, amount of substance, and luminous intensity. Abbreviation: SI.
- interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
- 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
- japanese honeysuckle — a climbing honeysuckle, Lonicera japonica, introduced into the eastern U.S. from Asia, having fragrant, white flowers that fade to yellow.
- laboratory assistant — laboratory technician, lab assistant
- laboratory diagnosis — scientific analysis of a disease
- laboratory equipment — apparatus for scientific research and experiments
- letters testamentary — a document issued by the probate court or some officer who has authority, directing the person named as executor in a will to act in that capacity
- linearly ordered set — a set in which a relation, as “less than or equal to,” holds for all pairs of elements of the set.
- linguistic geography — dialect geography.
- llanfairpwllgwyngyll — a village in NW Wales, in SE Anglesey: reputed to be the longest place name in Great Britain when unabbreviated; means: St Mary's Church in the hollow of the white hazel near the rapid whirlpool of Llandysilio of the red cave
- llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
- llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales
- lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
- longitude by account — the longitude of the position of a vessel as estimated by dead reckoning.
- lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
- marginal probability — (in a multivariate distribution) the probability of one variable taking a specific value irrespective of the values of the others
- membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
- methylbenzyl acetate — methylphenylcarbinyl acetate.
- microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
- military engineering — the design, construction, etc, of military fortifications and communications