17-letter words containing a, e, s, t, h
- hepatitis b virus — a form of hepatitis caused by a DNA virus (hepatitis B virus, or HBV) that persists in the blood, characterized by a long incubation period: usually transmitted by sexual contact or by injection or ingestion of infected blood or other bodily fluids.
- heritage industry — an industry that manages the historical sites, buildings, and museums in a particular place, with the aim of encouraging tourism
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- hit the headlines — be prominently featured in the news
- hold all the aces — If you say that someone holds all the aces, you mean that they have all the advantages in a contest or situation.
- hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
- homeland security — national defence
- homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
- hope against hope — the feeling that what is wanted can be had or that events will turn out for the best: to give up hope.
- hospital gangrene — Pathology. a contagious, often fatal gangrene, especially involving amputation stumps and war wounds, occurring usually in crowded, ill-kept hospitals, and caused by putrefactive bacteria.
- 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.
- hottentot's bread — elephant's-foot.
- housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
- how the land lies — the prevailing conditions or state of affairs
- how's-your-father — sexual intercourse
- hubble's 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.
- hydrotherapeutics — hydrotherapy.
- 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.
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperpolarisation — Alternative spelling of hyperpolarization.
- hypocholesteremia — an abnormally low amount of cholesterol in the blood.
- hyposensitization — The state or process of being reduced in sensitivity especially to an allergen.
- icositetrahedrons — Plural form of icositetrahedron.
- implosion therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.
- implosive-therapy — a form of behavior therapy involving intensive recollection and review of anxiety-producing situations or events in a patient's life in an attempt to develop more appropriate responses to similar situations in the future.
- in seventh heaven — ecstatically happy
- in the past tense — using a past tense verb
- in the same canoe — of the same tribe
- indistinguishable — not distinguishable.
- inexhaustibleness — The quality of being inexhaustible.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- interdental brush — a small brush that is used to clean between the teeth
- intermediate host — the host in which a parasite undergoes development but does not reach sexual maturity.
- interrelationship — reciprocal relation.
- inversion therapy — a method used to stretch and align the body, especially the lower back, by suspending the entire body upside down from an apparatus that grips or supports the feet or knees.
- island of the sun — Sicily: the island where Helius kept his oxen.
- japanese chestnut — any of the several deciduous trees constituting the genus Castanea, of the beech family, having toothed, oblong leaves and bearing edible nuts enclosed in a prickly bur, and including C. dentata (American chestnut) which has been virtually destroyed by the chestnut blight, C. sativa (European chestnut) C. mollissima (Chinese chestnut) and C. crenata (Japanese chestnut)
- jehovah's witness — A Jehovah's Witness is a member of a religious organization which accepts some Christian ideas and believes that the world is going to end very soon.
- john of lancaster — Duke of Bedford, 1389–1435, Bedford, John of Lancaster, Duke of.
- karitane hospital — a hospital for young babies and their mothers
- kick in the pants — a reprimand or scolding designed to produce greater effort, enthusiasm, etc, in the person receiving it
- l'hospital's rule — the theorem that for the quotient of two functions satisfying certain conditions on a given closed interval, each having infinite limit or zero as limit at a given point, the limit of the quotient at the given point is equal to the limit of the quotient of the derivatives of each function.
- lady of the house — the female head of a household (usually preceded by the).
- lagrange's method — a procedure for finding maximum and minimum values of a function of several variables when the variables are restricted by additional conditions.
- lake of the woods — Eldrick [el-drik] /ˈɛl drɪk/ (Show IPA), ("Tiger") born 1975, U.S. professional golfer.
- langerhans islets — islets of Langerhans
- langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.