17-letter words containing t, o, d, h
- head of the river — any of various annual rowing regattas held on particular rivers
- heart of darkness — a short novel (1902) by Joseph Conrad.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- heptanedioic acid — pimelic acid.
- hermaphrodite rig — jackass rig.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- hillel foundation — a national organization, founded in 1924 by the B'nai B'rith, that institutes and administers programs designed to enrich the religious, cultural, and social life of Jewish college students.
- 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 over the head — to strike on the head
- 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.
- hold one's tongue — Anatomy. the usually movable organ in the floor of the mouth in humans and most vertebrates, functioning in eating, in tasting, and, in humans, in speaking.
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- holding operation — a plan or procedure devised to prolong the existing situation
- holistic medicine — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- 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.
- hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
- hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
- hotel limo driver — A hotel limo driver is the person whose job it is to drive the hotel limo.
- hottentot's bread — elephant's-foot.
- houndstooth check — a pattern of broken checks, used in woven material for jackets, shirts, etc.
- household effects — domestic belongings
- how the land lies — the prevailing conditions or state of affairs
- hydroelectrically — Using hydroelectric power.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- hydrotherapeutics — hydrotherapy.
- hydrotherapy pool — a pool of water used for hydrotherapy
- hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hypsilophodontids — Plural form of hypsilophodontid.
- icositetrahedrons — Plural form of icositetrahedron.
- in broad daylight — openly, in full public view
- in the background — behind the focus of attention
- in/with regard to — You can use with regard to or in regard to to indicate the subject that is being talked or written about.
- induction heating — a method of heating a conducting material, as metal in a furnace, by using electromagnetic induction to establish a current in the material.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- intermediate host — the host in which a parasite undergoes development but does not reach sexual maturity.
- island of the sun — Sicily: the island where Helius kept his oxen.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- joined at the hip — friends: inseparable
- knock on the head — to daze or kill (a person) by striking on the head
- lady of the house — the female head of a household (usually preceded by the).
- lady of the night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
- lady-of-the-night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
- 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.
- le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
- lead to the altar — to marry