19-letter words containing r, u, t, h
- four colour theorem — four colour map theorem
- frameshift mutation — a mutation caused by frameshift.
- friend of the court — amicus curiae.
- give your eye teeth — If you say that you would give your eye teeth for something, you mean that you want it very much and you would do anything to get it.
- go through the hoop — to be subjected to an ordeal
- go through the roof — the external upper covering of a house or other building.
- go under the hammer — to be offered for sale by an auctioneer
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- gray-cheeked thrush — a North American thrush, Catharus minimus, having olive upper parts and grayish cheeks.
- great-granddaughter — a granddaughter of one's son or daughter.
- greenhouse whitefly — See under whitefly.
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- haul over the coals — a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Compare anthracite, bituminous coal, lignite.
- haute vulgarisation — vulgarization, or popularization, on a higher level, esp. as done by academics, scholars, etc.
- heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
- henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
- hermes trismegistus — a name variously ascribed by Neoplatonists and others to an Egyptian priest or to the Egyptian god Thoth, to some extent identified with the Grecian Hermes: various mystical, religious, philosophical, astrological, and alchemical writings were ascribed to him.
- hermitian conjugate — adjoint (def 2).
- herpes zoster virus — a type of herpesvirus that causes chickenpox and shingles.
- hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
- high-pressure steam — High-pressure steam is steam which is at or above 75 pounds per square inch gauge pressure.
- house of correction — a place for the confinement and reform of persons convicted of minor offenses and not regarded as confirmed criminals.
- house of ill repute — a house of prostitution; whorehouse; brothel.
- human rights abuses — acts that contravene human rights
- human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
- huntington's chorea — 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.
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- hydroxybutyric acid — ketone body.
- hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
- hyperfine structure — the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom.
- hypersuggestibility — subject to or easily influenced by suggestion.
- immunocytochemistry — the detection of chemical components of cells by means of antibodies coupled to substances that can be made visible.
- induction hardening — a process in which the outer surface of a metal component is rapidly heated by means of induced eddy currents. After rapid cooling the resulting phase transformations produce a hard wear-resistant skin
- industrial-strength — unusually strong, potent, or the like: heavy-duty: an industrial-strength soap.
- iphigenia in tauris — a drama (413? b.c.) by Euripides.
- it serves you right — If you say it serves someone right when something unpleasant happens to them, you mean that it is their own fault and you have no sympathy for them.
- jerusalem artichoke — Also called girasol. a sunflower, Helianthus tuberosus, having edible, tuberous, underground stems or rootstocks.
- junior bantamweight — a boxer weighing up to 115 pounds (51.7 kg), between flyweight and bantamweight.
- junior middleweight — a boxer weighing up to 154 pounds (69.3 kg), between welterweight and middleweight.
- junior welterweight — a boxer weighing up to 140 pounds (63 kg), between lightweight and welterweight.
- lift the curtain on — to begin
- lighten sb's burden — If someone or something lightens your burden or your load, they make a bad or difficult situation better for you.
- lightning conductor — A lightning conductor is a long thin piece of metal on top of a building that attracts lightning and allows it to reach the ground safely.
- liouville's theorem — the theorem that every function of a complex variable, bounded and differentiable for all finite values of the variable, is a constant function.
- lumholtz's kangaroo — boongary.
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- luteinizing hormone — LH.
- machine instruction — (programming) The smallest element of a machine code program.
- malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
- manchester autocode — (language, history) The predecessor of Mercury Autocode.