16-letter words containing p, t, e
- high-speed steel — an especially hard, heat-resistant steel for use in lathe tools and for other applications involving high friction and wear.
- high/great hopes — If you have high hopes or great hopes that something will happen, you are confident that it will happen.
- historiographies — Plural form of historiography.
- hit one's straps — to achieve one's full potential or become fully effective
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- horizontal plane — flat surface parallel to the horizon
- 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
- houphouet-boigny — Félix [French fey-leeks] /French feɪˈliks/ (Show IPA), 1905–1993, Ivory Coast political leader: president 1960–93.
- household troops — the infantry and cavalry regiments that carry out escort and guard duties for a head of state
- hubble telescope — a telescope launched into orbit around the earth in 1990 to provide information about the universe in the visible, infrared, and ultraviolet ranges
- hunt the slipper — a children's game in which the players look for a hidden slipper or other object, such as a thimble (hunt the thimble)
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hygrothermograph — an instrument for recording temperature and relative humidity.
- hyper-conformity — action in accord with prevailing social standards, attitudes, practices, etc.
- hyper-excitement — an excited state or condition.
- hyper-patriotism — devoted love, support, and defense of one's country; national loyalty.
- hyperaccumulator — a plant that absorbs toxins, such as heavy metals, to a greater concentration than that in the soil in which it is growing
- hypercompetitive — Extremely competitive.
- hyperconjugation — (organic chemistry) A weak form of conjugation in which single bonds interact with a conjugated system.
- hypercorrections — Plural form of hypercorrection.
- hypercorrectness — The state or condition of being hypercorrect.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- hyperinnervation — the act of innervating; state of being innervated.
- hyperintelligent — having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student.
- hypermasculinity — pertaining to or characteristic of a man or men: masculine attire.
- hyperoxygenation — to treat, combine, or enrich with oxygen: to oxygenate the blood.
- hyperperistalsis — 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.
- hyperpituitarism — overactivity of the pituitary gland.
- hypersensibility — capacity for sensation or feeling; responsiveness or susceptibility to sensory stimuli.
- hypersensitivity — excessively sensitive: to be hypersensitive to criticism.
- hyperstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- hypersusceptible — hypersensitive (def 2).
- hyperthermophile — (biology) An organism that lives and thrives in an extremely hot environment, such as a deep sea smoker vent; often a member of the Archaea.
- hypervariability — apt or liable to vary or change; changeable: variable weather; variable moods.
- hypervascularity — pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
- hyperventilating — Present participle of hyperventilate.
- hyperventilation — excessively rapid and deep breathing.
- hypervitaminosis — an abnormal condition caused by an excessive intake of vitamins.
- hypnagogic state — the drowsy period between wakefulness and sleep, during which fantasies and hallucinations often occur.
- hypoalimentation — insufficient or inadequate nourishment.
- hypophosphatemia — (medicine) An electrolyte disturbance in which there is an abnormally low level of phosphate in the blood, most commonly seen when malnourished patients are given large amounts of carbohydrates, creating a high phosphorus demand in the cells of the body.
- hypophysectomies — Plural form of hypophysectomy.
- immunocompetence — having the potential for immunologic response; capable of developing immunity after exposure to antigen.
- immunodepressant — preventing or diminishing the immune response
- 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.
- impact parameter — the perpendicular distance from the original center of a set of scattering particles to the original line of motion of a particle being scattered.
- impact structure — a large geologic formation, as a crater, created by a comet's or meteor's collision with a planet.
- impenetrableness — The quality of being impenetrable.
- imperceptibility — very slight, gradual, or subtle: the imperceptible slope of the road.