17-letter words containing p, y, i
- entrepreneurially — In an entrepreneurial manner.
- epicycloidal gear — a gear of an epicyclic train
- epidemiologically — With regard to epidemiology.
- epistemologically — In a manner that pertains to epistemology.
- equal opportunity — policies that bar discrimination
- escaping tendency — a property of a gas, related to its partial pressure, that expresses its tendency to escape or expand, given by d(log ef) = dμ/ RT, where μ is the chemical potential, R the gas constant, and T the thermodynamic temperature
- factory inspector — a person who inspects factories
- fee-paying school — a school which charges fees to parents of pupils
- field penny-cress — the common penny-cress, Thlaspi arvense.
- first-loss policy — an insurance policy for goods in which a total loss is extremely unlikely and the insurer agrees to provide cover for a sum less than the total value of the property
- floppy disk drive — disk drive
- front-line player — a regular player on a sports team or one who plays in the farthest forward position
- general paralysis — a syphilitic brain disorder characterized by chronic inflammation and degeneration of cerebral tissue resulting in mental and physical deterioration.
- glycosphingolipid — (biochemistry) a lipid that contains at least one monosaccharide unit and either a sphingoid or a ceramide.
- glymphatic system — Anatomy. the system or process by which cerebrospinal fluid moves through channels formed by glia, cleansing the mammalian brain of harmful waste.
- gnu privacy guard —
- gunboat diplomacy — diplomatic relations involving the use or threat of military force, especially by a powerful nation against a weaker one.
- haemoglobinopathy — (medicine) Any of a group of inherited disorders in which haemoglobin does not function properly.
- higgledy-piggledy — in a jumbled, confused, or disorderly manner; helter-skelter.
- hippocampal gyrus — a convolution on the inner surface of the temporal lobe of the cerebrum, bordering the hippocampus.
- holy roman empire — a Germanic empire located chiefly in central Europe that began with the coronation of Charlemagne as Roman emperor in a.d. 800 (or, according to some historians, with the coronation of Otto the Great, king of Germany, in a.d. 962) and ended with the renunciation of the Roman imperial title by Francis II in 1806, and was regarded theoretically as the continuation of the Western Empire and as the temporal form of a universal dominion whose spiritual head was the pope.
- hospitality suite — a suite or room, as in a hotel or convention center, rented by a business firm, political candidate, or the like, to meet and entertain clients, potential customers, etc.
- huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
- huygens' eyepiece — a telescope eyepiece consisting of two planoconvex lenses separated by a distance equal to half the sum of their focal lengths, which are in the ratio of three to one, and oriented so that their curved surfaces face the incident light
- hydrogen peroxide — a colorless, unstable, oily liquid, H 2 O 2 , an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
- hydrogen sulphide — Chemistry
- hydrotherapeutics — hydrotherapy.
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hyper-intelligent — having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student.
- hyper-peristalsis — the progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system.
- 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
- hyperbolic spiral — rθ = a, (where a is a constant)
- hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
- hyperconnectivity — Hyperconnectivity is the use of many systems and devices so that you are always connected to social networks and other sources of information.
- hyperexcitability — an excessive reaction to stimuli.
- hyperinflationary — (economics) Having very high levels of inflation.
- hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperirritability — extreme irritability.
- hyperpigmentation — coloration, especially of the skin.
- hyperpolarisation — Alternative spelling of hyperpolarization.
- hyperpolarization — The act or process of hyperpolarizing.
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypocholesteremia — an abnormally low amount of cholesterol in the blood.
- hypochondriacally — In a hypochondriacal manner.
- hypodermic needle — a hollow needle used to inject solutions subcutaneously.
- hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
- hyposensitization — The state or process of being reduced in sensitivity especially to an allergen.
- hypovolemic shock — a type of shock caused by reduced blood volume, as from massive bleeding or dehydration.