13-letter words containing h, i, d, y
- nonhereditary — passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Compare congenital.
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- phencyclidine — an anesthetic drug, C 1 7 H 2 5 N, used as an animal tranquilizer: also widely used in several forms as an illicit hallucinogen.
- phenylic acid — phenol (def 1).
- phony disease — a disease of peaches, characterized by dwarfing, dark-green leaves, premature leafing and flowering, and the production of reduced numbers of small fruit, caused by a virus, Nanus mirabilis.
- photodynamics — the science dealing with light and its effects on living organisms.
- phrygian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E.
- physics model — a variety of software illustrating the movement of objects in reality, used by designers of video games to improve verisimilitude
- picardy third — a major third in the final tonic chord of a composition written in a minor key.
- pointy-headed — stupid; idiotic.
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.
- pussy-whipped — (of a woman) to dominate or control (a romantic partner); henpeck.
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- rayleigh disk — a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.
- richard petty — Richard, born 1937, U.S. racing-car driver.
- roman holiday — a public spectacle or controversy marked by barbarism, vindictiveness, or scandal.
- sand-yachting — the sport of riding in a sand yacht
- seventy-third — next after the seventy-second; being the ordinal number for 73.
- shunting yard — a place where railway coaches are manoeuvred
- spheroidicity — a spheroidal state or form.
- spiny dogfish — any of several dogfish sharks of the genus Squalus, having a spine in front of each of the two dorsal fins, especially S. acanthias, inhabiting Atlantic coastal waters.
- striped hyena — a hyena, Hyaena hyaena, of northern Africa, Arabia, and India, having a grayish coat with distinct blackish stripes.
- synarthrodial — synarthrosis.
- synchondrosis — the joining of two bones by cartilage
- synecdochical — a figure of speech in which a part is used for the whole or the whole for a part, the special for the general or the general for the special, as in ten sail for ten ships or a Croesus for a rich man.
- synodic month — Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided.
- the iron lady — a nickname often used to describe female heads of government around the world, meaning 'strong-willed woman'. Most famously used of the Prime Minister of the United Kingdom (1979 to 1990) Margaret Thatcher
- thermodynamic — of or relating to thermodynamics.
- thirty-second — next after the thirty-first; being the ordinal number for 32.
- this day week — a week (counting backward or forward) from today (or yesterday, etc.)
- thyroid gland — a two-lobed endocrine gland, located at the base of the neck that secretes two hormones that regulate the rates of metabolism, growth, and development.
- thyroidectomy — excision of all or a part of the thyroid gland.
- tread lightly — to proceed with delicacy or tact
- typhoid fever — Also called typhoid fever. an infectious, often fatal, febrile disease, usually of the summer months, characterized by intestinal inflammation and ulceration, caused by the typhoid bacillus, which is usually introduced with food or drink.
- uninhibitedly — in an uninhibited manner
- unthriftyhead — thriftlessness
- velocity head — the velocity of a fluid expressed in terms of the head or static pressure required to produce that velocity. It equals ρν/2 where ρ is the density of the fluid and ν is the velocity. In hydrology the density of water can be written 1/G where G is the gravitational constant
- vindhya range — a mountain range in central India: separates the Ganges basin from the Deccan, marking the limits of northern and peninsular India. Greatest height: 1113 m (3651 ft)
- whydah (bird) — any of several chiefly brown-and-black, African passerine birds (family Ploceidae): the male has long, drooping tail feathers during the breeding season
- wild hyacinth — any of several plants having usually blue flowers resembling those of a hyacinth, as Camassia scilloides, of the central U.S., or Triteleia hyacinthina, of western North America.
- wood hyacinth — bluebell (def 2).