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17-letter words containing r, h, a, t, n, y

  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
  • hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
  • hyperalimentation — overfeeding.
  • hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
  • hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
  • hyperinflationary — (economics) Having very high levels of inflation.
  • hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
  • hyperpigmentation — coloration, especially of the skin.
  • hyperpolarisation — Alternative spelling of hyperpolarization.
  • hyperpolarization — The act or process of hyperpolarizing.
  • ichthyosarcotoxin — a term applied to any poison found in the flesh of poisonous fishes.
  • implosion therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.
  • in a/the minority — If people are in a minority or in the minority, they belong to a group of people or things that form less than half of a larger group.
  • in broad daylight — openly, in full public view
  • indecipherability — Quality of being indecipherable.
  • inversion therapy — a method used to stretch and align the body, especially the lower back, by suspending the entire body upside down from an apparatus that grips or supports the feet or knees.
  • iontophoretically — By means of iontophoresis.
  • italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
  • martha's vineyard — an island off SE Massachusetts: summer resort. About 100 sq. mi. (259 sq. km).
  • mesembryanthemums — Plural form of mesembryanthemum.
  • methyltransferase — any of a class of enzymes that catalyze the transfer of methyl groups from one molecule to another.
  • microphanerophyte — any shrub or tree having a height of 2 to 8 metres
  • miss lonelyhearts — a novel (1933) by Nathanael West.
  • monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
  • monochromatically — of or having one color.
  • more than usually — You use more than usually to show that something shows even more of a particular quality than it normally does.
  • myasthenia gravis — a disease of impaired transmission of motor nerve impulses, characterized by episodic muscle weakness and easy fatigability, especially of the face, tongue, neck, and respiratory muscles: caused by autoimmune destruction of acetylcholine receptors. Abbreviation: MG.
  • nephelometrically — By means of nephelometry.
  • neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
  • northcountrywoman — a female native or inhabitant of the North of England
  • northeast by east — a point on the compass 11°15′ east of northeast. Abbreviation: NEbE.
  • nuclear chemistry — the branch of chemistry concerned with nuclear reactions
  • organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
  • paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
  • parachute payment — a payment made to alleviate hardship resulting from a sudden loss of income
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
  • personality clash — friction between two people who have different personalities or points of view
  • phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
  • philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
  • physical training — fitness coaching
  • prohibition party — a U.S. political party organized in 1869, advocating the prohibition of the manufacture and sale of alcoholic beverages.
  • pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
  • quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
  • radiation therapy — x-rays used as treatment
  • regent honeyeater — a large brightly-coloured Australian honeyeater, Zanthomiza phrygia
  • respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
  • reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
  • rub the wrong way — to subject the surface of (a thing or person) to pressure and friction, as in cleaning, smoothing, polishing, coating, massaging, or soothing: to rub a table top with wax polish; to rub the entire back area.
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