16-letter words containing p, t, i, l
- happenstantially — (rare) By happenstance; occurring due to random chance.
- hayes-compatible — (communications) A description of a modem which understands the same set of commands as one made by Hayes.
- health inspector — a public employee who inspects places such as restaurants, shops, factories etc to make sure they are hygienic and do not pose any dangers to health
- heliotherapeutic — Pertaining to heliotherapy.
- hermaphroditical — Alternative form of hermaphroditic.
- herpes genitalis — genital herpes.
- heteropalindrome — Something that spells something else when reversed, a semordnilap.
- hierophantically — In a hierophantic manner; in the manner of a hierophant.
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- high-speed steel — an especially hard, heat-resistant steel for use in lathe tools and for other applications involving high friction and wear.
- histopathologist — A person involved in histopathology.
- 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
- hospitalizations — Plural form of hospitalization.
- 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.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- 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.
- 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.
- hypersensibility — capacity for sensation or feeling; responsiveness or susceptibility to sensory stimuli.
- 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.
- hypoalimentation — insufficient or inadequate nourishment.
- hypocoristically — In a hypocoristic manner.
- hypsilophodontid — An informal grouping of small ornithopod dinosaurs, regarded as fast, herbivorous bipeds on the order of 1\u20132 meters long (3.3-6.6 feet).
- impenetrableness — The quality of being impenetrable.
- imperceptibility — very slight, gradual, or subtle: the imperceptible slope of the road.
- imperfect flower — a unisexual flower with only stamens or only pistils
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperfectibility — The state or quality of being imperfectible.
- impermissibility — The state or condition of being impermissible.
- imperturbability — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- implied warranty — a warranty not stated explicitly by the seller of merchandise or real property but presumed for reasons of commercial or legal custom (distinguished from express warranty).
- impracticability — The quality or condition of being impracticable.
- impracticalities — Plural form of impracticality.
- in lockstep with — progressing at exactly the same speed and in the same direction as other people or things, esp as a matter of course rather than by choice
- in loco parentis — in the place or role of a parent.
- in plain clothes — not wearing a uniform
- in quadruplicate — in four identical copies
- in quintuplicate — in five identical copies
- in the pipe line — a long tubular conduit or series of pipes, often underground, with pumps and valves for flow control, used to transport crude oil, natural gas, water, etc., especially over great distances.
- in the spotlight — prominently featured