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.