16-letter words containing o, r, t, h
- hippocratic oath — an oath embodying the duties and obligations of physicians, usually taken by those about to enter upon the practice of medicine.
- historical novel — a novel within the genre of historical fiction.
- historiographies — Plural form of historiography.
- hit one's straps — to achieve one's full potential or become fully effective
- hit one's stride — to walk with long steps, as with vigor, haste, impatience, or arrogance.
- holder condition — Lipschitz condition.
- holier-than-thou — obnoxiously pious; sanctimonious; self-righteous.
- homeless shelter — a hostel for homeless people
- homeric laughter — loud, hearty laughter, as of the gods.
- homeroom teacher — the teacher attached to the homeroom of a group of students
- 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.
- horary astrology — a method through which the answer to a question is sought by casting and interpreting a horoscope for the precise moment one learns of an event, problem, career opportunity, etc.
- horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
- horizontal plane — flat surface parallel to the horizon
- horizontal union — a labor union organized by skills or trades of its members rather than by industries.
- horseradish tree — a tropical tree, Moringa pterygosperma, having fragrant white flowers and seeds yielding a commercially useful oil.
- horseshoe magnet — a horseshoe-shaped permanent magnet.
- 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.
- hot and bothered — having or giving off heat; having a high temperature: a hot fire; hot coffee.
- hot buttered rum — a drink made with rum, hot water, and sugar, served with a lump of butter in a mug.
- hot cold-working — metalworking at considerable heat but below the temperature at which the metal recrystallizes: a form of cold-working.
- hot-water bottle — a bag, usually of rubber, for holding hot water to apply warmth to some part of the body, as the feet.
- household troops — the infantry and cavalry regiments that carry out escort and guard duties for a head of state
- housing shortage — a deficiency or lack in the number of houses needed to accommodate the population of an area
- how's that for…? — is this satisfactory as regards…?
- humboldt current — a cold Pacific Ocean current flowing N along the coasts of Chile and Peru.
- hummingbird moth — hawk moth.
- huyton-with-roby — an urban district in Merseyside, NW England, E of Liverpool.
- hydration number — the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.
- hydroelectricity — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.
- 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.
- hydrometeorology — the study of atmospheric water, especially precipitation, as it affects agriculture, water supply, flood control, power generation, etc.
- hydrostatic head — The hydrostatic head is the vertical height of a column of fluid.
- hygrothermograph — an instrument for recording temperature and relative humidity.
- hyper-conformity — action in accord with prevailing social standards, attitudes, practices, etc.
- 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.
- hyperinnervation — the act of innervating; state of being innervated.
- 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.
- 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.
- hyperventilation — excessively rapid and deep breathing.