16-letter words containing d, r, u

norwegian buhund — a slightly-built medium-sized dog of a breed with erect pointed ears and a short thick tail carried curled over its back
nuclear industry — the industry involving nuclear weapons, nuclear power stations, etc
nuclear medicine — diagnostic and therapeutic medical techniques using radionuclides or radioisotopes.
numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
nusslein-volhard — Christiane [kris-tee-ah-nuh,, kris-tyah-] /ˌkrɪs tiˈɑ nə,, krɪsˈtyɑ-/ (Show IPA), born 1942, German biologist: Nobel prize 1995.
ocellated turkey — a wild turkey, Agriocharis ocellata, of Yucatán, Belize, and Guatemala, typically having green, blue, reddish-brown, and yellowish-brown plumage of a metallic luster and eyelike spots on the tail.
off-the-shoulder — not covering the shoulder
on your doorstep — If a place is on your doorstep, it is very near to where you live. If something happens on your doorstep, it happens very close to where you live.
onboard computer — onboard a vehicle, ship, plane, train or spacecraft
operating budget — money allocated to a project
order in council — (in Britain and various other Commonwealth countries) a decree of the Cabinet, usually made under the authority of a statute: in theory a decree of the sovereign and Privy Council
ordinary jubilee — the celebration of any of certain anniversaries, as the twenty-fifth (silver jubilee) fiftieth (golden jubilee) or sixtieth or seventy-fifth (diamond jubilee)
organized labour — labour carried out by workers in trade unions, or the workers themselves
orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
orthodox judaism — Judaism as observed by Orthodox Jews.
orthodoxy sunday — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
osmium tetroxide — a crystalline or amorphous, colorless, poisonous compound, OsO 4 , soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis.
out of your mind — If you say that someone is out of their mind, you mean that they are mad or very foolish.
outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
outside director — a director of a company who is not employed by that company but is often employed by a holding or associated company
oxidation number — the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
padded shoulders — (on a garment) shoulders lined, stuffed, or filled out with soft material, esp in order to give them a higher or wider shape
paediatric nurse — a nurse who specializes in the care of children
painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
percussion drill — a drill that is operated by percussion
perez de cuellar — Javier [hah-vyer] /hɑˈvyɛr/ (Show IPA), born 1920, Peruvian diplomat: secretary-general of the United Nations 1982–91; prime minister of Peru 2000–2001.
perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
period furniture — furniture that was made during a particular period in time
perpendicularity — vertical; straight up and down; upright.
persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
picture moulding — the edge around a framed picture
picture postcard — postcard (def 1).
pilot production — sth produced on a trial basis
platinum-iridium — (standard) A standard, against which all others of the same category are measured. Usage: silly. The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was. "This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris." Compare golden.
portmanteau word — a case or bag to carry clothing in while traveling, especially a leather trunk or suitcase that opens into two halves.
portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
pressure welding — the welding together of two objects by holding them together under pressure.
pressure-treated — (of wood) treated with a chemical or chemicals applied under pressure to reduce such problems as insect infestation, decay, and rotting.
pressurized suit — an airtight suit that can be inflated to maintain approximately normal atmospheric pressure on a person in space or at high altitudes.
preunderstanding — to perceive the meaning of; grasp the idea of; comprehend: to understand Spanish; I didn't understand your question.
primary industry — an industry, as agriculture, forestry, or fishing, that deals in obtaining natural materials.
primary producer — any green plant or any of various microorganisms that can convert light energy or chemical energy into organic matter.
private judgment — personal opinion formed independently of the expressed position of an institution, as in matters of religion or politics.
process industry — business of treating raw materials
production costs — the costs used in manufacturing a product
project guardian — (project, security) A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
prometheus bound — a tragedy (c457 b.c.) by Aeschylus.
promiscuous mode — (networking) Where a node on a network accepts all packets, regardless of their destination address.

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