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21-letter words containing h, i, l, o

  • hubble classification — a method of classifying galaxies depending on whether they are elliptical, spiral, barred spiral, or irregular
  • human papilloma virus — a species of virus that causes genital warts. Abbreviation: HPV.
  • humanistic psychology — an approach to psychology that emphasizes emotions and the better understanding of the self in terms of observation of oneself and one's relations with others
  • hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
  • hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
  • hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
  • hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
  • hypogammaglobulinemia — A type of immune disorder characterised by a reduction in all types of gamma globulins.
  • hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
  • ilya ilyich mechnikov — Élie [French ey-lee] /French eɪˈli/ (Show IPA), (Ilya Ilyich Mechnikov) 1845–1916, Russian zoologist and bacteriologist in France: Nobel Prize in medicine 1908.
  • immunoelectrophoresis — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • immunoelectrophoretic — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • immunohistochemically — By means of or in regard to immunohistochemistry.
  • in one's shirtsleeves — not wearing a jacket
  • industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
  • insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
  • interpersonal therapy — a type of psychotherapy that focuses on conflicts in one's personal relationships.
  • keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
  • knights of st columba — an international, semi-secret fraternal and charitable order for Catholic laymen, which originated in New Haven, Connecticut in 1882 (the Knights of Columbus)
  • laboratory technician — sb who assists in a laboratory
  • lady of the camellias — French La Dame aux Camélias. a novel (1848) and play (1852) by Alexandre Dumas fils.
  • large hadron collider — a particle accelerator at the European Laboratory for Particle Physics near Geneva, containing a circular underground tunnel 27km (16.8 miles) in circumference, around which two streams of hadrons are sent in opposite directions before being brought together in a high-energy collision
  • law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
  • leave holding the bag — a container or receptacle of leather, plastic, cloth, paper, etc., capable of being closed at the mouth; pouch.
  • light armored vehicle — an eight-wheeled armored reconnaissance car with a 25mm cannon, in service with the U.S. Army and Marine Corps in the 1980s.
  • like a shag on a rock — abandoned and alone
  • linear graph notation — (LGN) A linearised representation of TCOL trees.
  • linguistic philosophy — an approach to philosophical problems used especially by certain British and American philosophers, inspired by G. E. Moore, and marked by the elucidation of difficult and controversial concepts by resolving them into their elements.
  • live high off the hog — a hoofed mammal of the family Suidae, order Artiodactyla, comprising boars and swine.
  • live life to the full — If you say that someone lives life to the full, you mean that they try to gain a lot from life by being always busy and trying new activities.
  • live to tell the tale — If you survive a dangerous or frightening experience and so are able to tell people about it afterwards, you can say that you lived to tell the tale.
  • lordship of the isles — an overlordship of the Western Isles of Scotland and adjacent lands instituted in 1266 when Magnus of Norway ceded the Hebrides, the Isle of Man, and Kintyre to the King of Scotland, and claimed by the chiefs of Clan Dougall and later by those of Clan Donald. The title was forfeited to James IV in 1493 and is now held by the eldest son of the sovereign
  • lost in the underflow — (jargon)   Too small to be worth considering; more specifically, small beyond the limits of accuracy or measurement. This is a reference to "floating point underflow". The Hacker's Jargon File claimed that it is also a pun on "undertow" (a kind of fast, cold current that sometimes runs just offshore and can be dangerous to swimmers). "Well, sure, photon pressure from the stadium lights alters the path of a thrown baseball, but that effect gets lost in the underflow". Compare epsilon, epsilon squared; see also overflow bit.
  • macintosh common lisp — (language)   (MCL) Common Lisp for the Apple Macintosh. Guillaume Cartier, of the Mathematics Department at UQAM, Canada, has written some libraries.
  • macintosh file system — (file system)   A file on the Macintosh consists of two parts, called forks. The "data fork" contains the data which would normally be stored in the file on other operating systems. The "resource fork" contains a collection of arbitrary attribute/value pairs, including program segments, icon bitmaps, and parametric values. Yet more information regarding Macintosh files is stored by the Finder in a hidden file, called the "Desktop Database". Because of the complications in storing different parts of a Macintosh file in non-Macintosh file systems that only handle consecutive data in one part, it is common to only send the Data fork or to convert the Macintosh file into some other format before transferring it.
  • maidenhair spleenwort — an evergreen fern, Asplenium trichomanes, abundant in woody areas of the North Temperate Zone, having thickly clustered fronds.
  • main-topsail schooner — a two-masted or three-masted schooner having square topsails on the foremast and mainmast: a jackass brig or jackass bark.
  • maître d'hôtel butter — melted butter mixed with parsley and lemon juice
  • majority shareholding — a holding of more than half a company's shares
  • maximum value theorem — the theorem that for a real-valued function f whose domain is a compact set, there is at least one element x in the domain of f for which f (x) achieves its largest value.
  • mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
  • mechanical suspension — the act of suspending.
  • methylisothiazolinone — (chemistry) A powerful biocide and preservative within the group of isothiazolinones, used in shampoos etc.
  • methyltrinitrobenzene — TNT.
  • metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
  • mohammed reza pahlavi — 1919-80; shah of Iran (1941-79); deposed
  • monochloroacetic acid — chloroacetic acid.
  • motherwell and wishaw — a burgh in the Motherwell district, in S Scotland.
  • motivational research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
  • mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
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