15-letter words containing d, u, a
- heat-conduction — the transfer of thermal energy between molecules
- hedgehog cactus — any of various rounded, usually spiny cacti of the genus Echinocereus, of the southwestern U.S. and Mexico, having bell-shaped flowers that close at night.
- heterodactylous — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- homing guidance — a method of missile guidance in which internal equipment enables it to steer itself onto the target, as by sensing the target's heat radiation
- homochlamydeous — (of a plant) having a perianth in which the sepals and petals are fused together and indistinguishable
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
- how do you mean — If you say 'How do you mean?' to someone, you are asking them to explain or give more details of what they have just said.
- human condition — mortality
- humidifications — Plural form of humidification.
- humpback bridge — arched bridge
- hundred's place — hundred (def 8).
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hydraulic brake — a brake operated by fluid pressures in cylinders and connecting tubular lines.
- hydraulic fluid — a fluid, usually of low viscosity, as oil, used in a hydraulic system.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydraulic press — a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.
- hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hydroxybutyrate — (chemistry) any salt or ester of hydroxybutyric acid, but especially of gamma-hydroxybutyric acid.
- hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
- hyperfastidious — extremely or excessively fastidious
- hypersexualised — Simple past tense and past participle of hypersexualise.
- hypersexualized — Simple past tense and past participle of hypersexualize.
- immunoadsorbent — immunosorbent.
- immunodiagnosis — serodiagnosis.
- immunomodulator — a substance that affects the functioning of the immune system
- in your dreams! — You say `In your dreams!' when you think that what someone wants is never going to happen or be true.
- in-and-out bond — a stonework or brickwork bond having headers and stretchers alternating vertically.
- indian mulberry — a small tree, Morinda citrifolia, of the madder family, found from India to Australasia, having shiny leaves, white flowers, and fleshy, yellowish fruit, yielding red and yellow dyes.
- indirect labour — work done in administration and sales rather than in the manufacturing of a product
- indisputability — The property of being indisputable.
- indistributable — of a nature that cannot be distributed
- individualising — Present participle of individualise.
- individualistic — a person who shows great independence or individuality in thought or action.
- individualities — Plural form of individuality.
- individualizing — Present participle of individualize.
- indubitableness — The quality of being indubitable.
- industrial arts — (used with a plural verb) the methods of using tools and machinery, as taught in secondary and technical schools.
- industrial park — an industrial complex, typically in a suburban or rural area and set in parklike surroundings with such facilities as parking lots, restaurants, and recreation areas.
- industrialising — Present participle of industrialise.
- industrializing — Present participle of industrialize.
- insubordinately — In an insubordinate manner.
- insubordination — the quality or condition of being insubordinate, or of being disobedient to authority; defiance: The employee was fired for insubordination.
- interindividual — a single human being, as distinguished from a group.
- intermodulation — the production in an electrical device of frequencies that are the sums or differences of frequencies of different inputs or of their harmonics.
- intraindividual — Occurring within an individual.