20-letter words containing a, n, t, h

human growth hormone — somatotropin. Abbreviation: hGH.
human interest story — news item about people's lives
human-interest story — a story or report, as in a newspaper or on a newscast, designed to engage attention and sympathy by enabling one to identify readily with the people, problems, and situations described.
huntington's disease — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
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.
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
hyperadrenocorticism — Cushing's syndrome.
hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.
hyperlipoproteinemia — Pathology. any of various disorders of lipoprotein metabolism, usually characterized by abnormally high levels of cholesterol and certain lipoproteins in the blood.
in contact (with sb) — If you are in contact with someone, you regularly meet them or communicate with them.
in the circumstances — a condition, detail, part, or attribute, with respect to time, place, manner,agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.
in the driver's seat — If you say that someone is in the driver's seat, you mean that they are in control in a situation.
in the event of/that — You use in the event of, in the event that, and in that event when you are talking about a possible future situation, especially when you are planning what to do if it occurs.
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
in the nature of sth — If you say that one thing is in the nature of another, you mean that it is like the other thing.
in the public domain — able to be discussed and examined freely by the general public
independence of path — the property of a function for which the line integral has the same value along all curves between two specified points.
indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
indistinguishability — The state of being indistinguishable.
infectious hepatitis — hepatitis A.
information exchange — discussion that involves exchanging ideas and knowledge
infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
internal hemorrhoids — Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid)
international gothic — a style of Gothic art, especially painting, developed in Europe in the late 14th and early 15th centuries, chiefly characterized by details carefully delineated in a naturalistic manner, elongated and delicately modeled forms, the use of complex perspective, and an emphasis on the decorative or ornamental aspect of drapery, foliage, or setting.
interpersonal theory — the theory that personality development and behavior disorders are related to and determined by relationships between persons.
islets of langerhans — biology: pancreatic cells
isochronous transfer — isochronous
java virtual machine — (language, architecture) (JVM) A specification for software which interprets Java programs that have been compiled into byte-codes, and usually stored in a ".class" file. The JVM instruction set is stack-oriented, with variable instruction length. Unlike some other instruction sets, the JVM's supports object-oriented programming directly by including instructions for object method invocation (similar to subroutine call in other instruction sets). The JVM itself is written in C and so can be ported to run on most platforms. It needs thread support and I/O (for dynamic class loading). The Java byte-code is independent of the platform. There are also some hardware implementations of the JVM.
john o'groat's house — the northern tip of Scotland, near Duncansby Head, NE Caithness, traditionally thought of as the northernmost point of Britain: from Land's End to John o'Groat's House.
jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
junior featherweight — a boxer weighing up to 122 pounds (54.9 kg), between bantamweight and featherweight.
juno and the paycock — a play (1924) by Sean O'Casey.
keep a tight rein on — to control carefully; limit
kingston upon thames — a borough of Greater London, England.
knight of the garter — a knight who belongs to the Order of the Garter
knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
knock the tar out of — any of various dark-colored viscid products obtained by the destructive distillation of certain organic substances, as coal or wood.
know all the answers — be opinionated
last of the mohicans — a historical novel (1826) by James Fenimore Cooper.
lead with one's chin — to act so imprudently as to invite disaster
leave sth until last — If you leave something or someone until last, you delay using, choosing, or dealing with them until you have used, chosen, or dealt with all the others.
life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
lifetime achievement — the notable successes that someone achieves during their life
linguistic geography — dialect geography.
little kanawha river — a river in NW West Virginia, flowing N and NW to the Ohio River. 160 miles (257 km) long.
live and breathe sth — be passionately interested in sth
llywelyn ap iorwerth — called Llywelyn the Great. died 1240, prince of Gwynedd, N Wales (1194–1238), who extended his rule over most of Wales

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