15-letter words containing a, d, u, r
- 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.
- 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.
- 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
- indistributable — of a nature that cannot be distributed
- 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.
- inunderstanding — (obsolete) Devoid of understanding.
- iridocapsulitis — inflammation of the iris and the capsule of the lens.
- island universe — an external galaxy.
- ivan sutherland — Ivan E. Sutherland is widely known for his pioneering contributions. His 1963 MIT PhD thesis, Sketchpad, opened the field of computer graphics. His 1966 work, with Sproull, on a head-mounted display anticipated today's virtual reality by 25 years. He co-founded Evans and Sutherland, which manufactures the most advanced computer image generators now in use. As head of Computer Science Department of Caltech he helped make integrated circuit design an acceptable field of academic study. Dr. Sutherland is on the boards of several small companies and is a member of the National Academy of Engineering and the National Academy of Sciences, the ACM and IEEE. He received the ACM's Turing Award in 1988. He is now Vice President and Fellow of Sun Microsystems Laboratories in Mountain View, CA, USA.
- jaques-dalcroze — Émile [French ey-meel] /French eɪˈmil/ (Show IPA), 1865–1950, Swiss composer and teacher: created eurythmics.
- joseph jacquard — Joseph Marie [zhoh-zef ma-ree] /ʒoʊˈzɛf ma ri/ (Show IPA), 1752–1834, French inventor.
- juan de la cruz — San [sahn] /sɑn/ (Show IPA), John of the Cross, Saint.
- judeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
- judicial branch — the branch of government charged with the interpretation of laws and the administration of justice; the judiciary.
- judicial murder — the unjustified execution of the death penalty
- judicial review — the power of a court to adjudicate the constitutionality of the laws of a government or the acts of a government official.
- julian calendar — the calendar established by Julius Caesar in 46 b.c., fixing the length of the year at 365 days and at 366 days every fourth year. There are 12 months of 30 or 31 days, except for February (which has 28 days with the exception of every fourth year, or leap year, when it has 29 days).
- jupiter's-beard — red valerian.
- jurisprudential — the science or philosophy of law.
- keyboard plaque — (jargon) The disgusting buildup of dirt and crud found on computer keyboards. "Are there any other terminals I can use? This one has a bad case of keyboard plaque."
- lancaster sound — an arm of Baffin Bay, Nunavut Territory, Canada, leading W to the Parry Channel. 200 miles (320 km) long and 40 miles (64 km) wide.
- lantern gurnard — a type of gurnard
- laundry service — clothes-washing business
- lauric aldehyde — a colorless, extremely alcohol-soluble liquid having a strong floral odor, C 12 H 24 O, used chiefly in perfumery.
- leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- lean production — Lean production is the same as lean manufacturing.