17-letter words containing h, o, l, n, y
- homeland security — national defence
- homolytic fission — the dissociation of a molecule into two neutral fragments
- hurler's syndrome — a medical condition characterized by physical deformity and mental deficiency
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogen chloride — a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.
- hydrogen fluoride — a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
- hydrogen sulphide — Chemistry
- hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
- hyperalimentation — overfeeding.
- hyperbolic cosine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; cosh
- 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.
- hyperpolarisation — Alternative spelling of hyperpolarization.
- hyperpolarization — The act or process of hyperpolarizing.
- hypochondriacally — In a hypochondriacal manner.
- hypodermic needle — a hollow needle used to inject solutions subcutaneously.
- hypoglossal nerve — either one of the twelfth pair of cranial nerves, consisting of motor fibers that innervate the muscles of the tongue.
- hypsilophodontids — Plural form of hypsilophodontid.
- i'll thank you to — used ironically to intensify a command, request, etc
- 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 broad daylight — openly, in full public view
- incomprehensively — In an incomprehensive manner.
- iontophoretically — By means of iontophoresis.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- john of salisbury — c1115–80, English prelate and scholar.
- lady of the night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
- lady-of-the-night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
- laryngopharyngeal — of, relating to, or involving the larynx and pharynx.
- lay it on (thick) — to exaggerate
- liquidity cushion — a reserve fund of assets held by a company or person
- lymphadenopathies — Plural form of lymphadenopathy.
- lymphangiographic — Relating to lymphangiography.
- methyl isocyanate — Chemistry. a highly toxic, flammable, colorless liquid, CH 3 NCO, used as an intermediate in the manufacture of pesticides: in 1984, the accidental release of a cloud of this gas in Bhopal, India, killed more than 1700 people and injured over 200,000.
- methylidyne group — the trivalent group ≡CH.
- methyltheobromine — caffeine.
- 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.
- monolith catalyst — A monolith catalyst is a type of catalyst whose surface is flat.
- more than usually — You use more than usually to show that something shows even more of a particular quality than it normally does.
- negative theology — a theological approach or tradition in which the nature of God is thought to be unknowable and is only understood through negative statements. See also apophasis (def 2).
- nephelometrically — By means of nephelometry.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
- neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
- nitrohydrochloric — (chemistry) Of, pertaining to, or containing, nitric acid and hydrochloric acids.
- oceanographically — In terms of oceanography.
- once over lightly — a hasty or superficial treatment, look, examination, etc.; once-over: The maid gave the room the once-over-lightly.
- once-over-lightly — a hasty or superficial treatment, look, examination, etc.; once-over: The maid gave the room the once-over-lightly.