15-letter words containing t, h, a, l
- hospital doctor — a hospital doctor works in a hospital, rather than as a general practitioner, in the army, etc
- hospitalisation — (British) alternative spelling of hospitalization.
- hospitalization — the act, process, or state of being hospitalized.
- host-host layer — transport layer
- hot-air balloon — passenger balloon
- hubble constant — the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- hung parliament — a parliament that does not have a party with a working majority
- hunting leopard — the cheetah.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hydropathically — in a hydropathic manner; in a manner relating to hydropathy
- hydrostatically — In a hydrostatic manner.
- hydroxylapatite — Alternative spelling of hydroxyapatite.
- hyper-emotional — pertaining to or involving emotion or the emotions.
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hypercatalectic — (of a line of verse) containing an additional syllable after the last dipody or foot. Compare acatalectic (def 2), catalectic.
- hypercritically — In a hypercritical manner.
- hyperfunctional — of or relating to a function or functions: functional difficulties in the administration.
- hypergalactosis — an abnormally large secretion of milk.
- hypermetabolism — Biology, Physiology. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Compare anabolism, catabolism.
- hypermutability — liable or subject to change or alteration.
- hypersalivation — the act or process of salivating.
- hyperventilated — Simple past tense and past participle of hyperventilate.
- hypnotisability — Alternative spelling of hypnotizability.
- hypnotizability — to put in the hypnotic state.
- hypocrystalline — (of igneous rocks) having both glass and crystalline components
- hypoventilating — Present participle of hypoventilate.
- hypoventilation — Breathing at an abnormally slow rate, resulting in an increased amount of carbon dioxide in the blood.
- i'll eat my hat — I will be greatly surprised if (something that proves me wrong) happens
- identical rhyme — rhyme created by the repetition of a word.
- immunopathology — the study of diseases having an immunologic or allergic basis.
- imperishability — not subject to decay; indestructible; enduring.
- in a good light — something that makes things visible or affords illumination: All colors depend on light.
- in all weathers — If you say that someone does something in all weathers, you mean that they do it regularly whether the weather is good or bad.
- in nothing flat — no thing; not anything; naught: to say nothing.
- in the ballpark — a tract of land where ball games, especially baseball, are played.
- in the old days — a long time ago
- inauthentically — not authentic: inauthentic Indian jewelry mass-produced in a factory.
- indian elephant — See under elephant.
- indicator light — a device for indicating that a motor vehicle is about to turn left or right; blinker
- infants' school — kindergarten.
- infeasible path — dead code
- inter-parochial — of, relating to, or financially supported by one or more church parishes: parochial churches in Great Britain.
- interchangeable — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- interchangeably — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- interior salish — in Canada, a division of the peoples who speak Salish languages
- interphalangeal — Between phalanges, as with an interphalangeal joint.
- interscholastic — between schools, or representative of different schools, especially secondary schools: interscholastic athletics.
- irritable heart — cardiac neurosis.