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16-letter words containing o, r, a, i

  • horseradish tree — a tropical tree, Moringa pterygosperma, having fragrant white flowers and seeds yielding a commercially useful oil.
  • horsetail agaric — the shaggy-mane.
  • horticulturalist — Misspelling of horticulturist.
  • hospital corners — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
  • hospital service — the whole organization of government funded hospitals, their staff, and the services they provide
  • hostile takeover — a takeover that is not approved by the management of the corporation being acquired or that is accomplished through the secret purchase of stock.
  • hourglass figure — the shape of a woman who is well-proportioned and has a small waist
  • housing shortage — a deficiency or lack in the number of houses needed to accommodate the population of an area
  • hurricane season — annual cyclone period
  • hyaloid membrane — the delicate, pellucid, and nearly structureless membrane enclosing the vitreous humor of the eye.
  • hydnocarpic acid — an acid, C 16 H 28 O 2 , obtained from chaulmoogra oil, and used in the treatment of leprosy.
  • hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
  • hydrobromic acid — a colorless or faintly yellow corrosive liquid, HBr, an aqueous solution of hydrogen bromide.
  • hydrocyanic acid — a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.
  • hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
  • hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
  • hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
  • hydrostatic head — The hydrostatic head is the vertical height of a column of fluid.
  • hydroxylammonium — (inorganic compound) The univalent NH3OH+ cation, derived from hydroxylamine.
  • hyper-patriotism — devoted love, support, and defense of one's country; national loyalty.
  • hyperandrogenism — (medicine) An abnormally high production of androgens.
  • hyperchlorhydria — excessive secretion of hydrochloric acid in the stomach.
  • hyperconjugation — (organic chemistry) A weak form of conjugation in which single bonds interact with a conjugated system.
  • hyperinnervation — the act of innervating; state of being innervated.
  • hyperlipoidaemia — Alt form hyperlipoidemia.
  • hyperoxygenation — to treat, combine, or enrich with oxygen: to oxygenate the blood.
  • hyperstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
  • hyperventilation — excessively rapid and deep breathing.
  • hypervitaminosis — an abnormal condition caused by an excessive intake of vitamins.
  • hypocoristically — In a hypocoristic manner.
  • hyponitrous acid — an unstable, crystalline acid, H 2 N 2 O 2 .
  • i'm sorry to say — You use the expression I'm sorry to say to express regret together with disappointment or disapproval.
  • ice-cream parlor — an establishment serving ice cream, sodas, etc., from a soda fountain.
  • ice-cream social — a social gathering, usually to raise money for a local church or school, where ice cream is the principal refreshment.
  • icositetrahedron — a solid figure having 24 faces.
  • if it wasn't for — If you talk about what would happen if it wasn't for someone or something, you mean that they are the only thing that is preventing it from happening.
  • image processing — (graphics)   Computer manipulation of images. Some of the many algorithms used in image processing include convolution (on which many others are based), FFT, DCT, thinning (or skeletonisation), edge detection and contrast enhancement. These are usually implemented in software but may also use special purpose hardware for speed. Image processing contrasts with computer graphics, which is usually more concerned with the generation of artificial images, and visualisation, which attempts to understand (real-world) data by displaying it as an artificial image (e.g. a graph). Image processing is used in image recognition and computer vision. See also Pilot European Image Processing Archive.
  • imago europe plc — A UK Internet provider. There sevice is called Imago On-line. E-mail: <[email protected]>.
  • immersion heater — a small electric coil used to heat a liquid, as a cup of water, in which it is immersed.
  • immigration laws — regulations on incoming foreigners
  • immoral earnings — money earned from work that transgresses accepted moral or legal rules
  • immunodepressant — preventing or diminishing the immune response
  • immunomodulatory — (medical) Having the ability to alter or regulate immune functions.
  • immunoregulation — (immunology) The control of immune responses between lymphocytes and macrophages.
  • immunoregulatory — Of or pertaining to immunoregulation.
  • impact extrusion — an extrusion process in which a slug of cold metal in a shallow die cavity is formed by the action of a rapidly moving punch that forces the metal through the die or back around the punch.
  • import surcharge — a tax imposed on all imported goods, adding to any established tariffs
  • in a brown study — in a reverie or daydream
  • in loco parentis — in the place or role of a parent.
  • in so many words — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
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