13-letter words containing d, o, c, u
- quartodeciman — one of a group of early Christians who observed Easter on the day of the Jewish Passover regardless of whether or not it was Sunday
- quindecagonal — (geometry) Shaped like a quindecagon; fifteen-sided.
- quindecillion — a cardinal number represented in the U.S. by 1 followed by 48 zeros, and in Great Britain by 1 followed by 90 zeros.
- quodlibetical — a subtle or elaborate argument or point of debate, usually on a theological or scholastic subject.
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- reconstituted — constituted again, especially of a liquid product made by adding water to dry solids from which the water has been evaporated: reconstituted orange juice.
- record button — the button that you press on a device or remote control to begin recording sound, images, etc
- rectitudinous — characterized by or given to rectitude.
- red corpuscle — a red blood cell.
- red delicious — a deep-red type of Delicious apple.
- redcloud peak — a mountain in SW Colorado, in the San Juan Mountains, in the S Rocky Mountains. 14,034 feet (4278 meters).
- reduplication — the act of reduplicating; the state of being reduplicated.
- return-cocked — (of a cock bead) situated at an angle or arris.
- ring compound — a compound whose structural formula contains a closed chain or ring of atoms; a cyclic compound. Compare cyclic (def 3).
- rock hounding — the activity of searching for and collecting rocks, fossils, or minerals.
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- rose-coloured — of the colour rose; rosy
- round-cheeked — having plump cheeks
- scoping study — a preliminary study to define the scope of a project
- second cousin — a child of a first cousin of one's parent. Compare cousin (def 1).
- second nature — an acquired habit or tendency in one's character that is so deeply ingrained as to appear automatic: Neatness is second nature to him.
- second-source — of or pertaining to a cooperative arrangement whereby the products, as electronic parts, of one company are also manufactured by another company
- selenous acid — a colorless, transparent, crystalline powder, H2SeO3, soluble in water and used as a reagent
- self-coloured — of one color.
- self-occupied — to take or fill up (space, time, etc.): I occupied my evenings reading novels.
- self-procured — to obtain or get by care, effort, or the use of special means: to procure evidence.
- self-produced — produced by oneself or itself.
- semiconductor — a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (semiconductor device) used in communications, control, and detection technology and in computers.
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.
- somar dumpacl — (tool) A utilty which provides a concise report of Windows NT file system permissions, to help find holes in system security.
- sound effects — any sounds artificially produced, reproduced from a recording, etc, to create a theatrical effect, such as the bringing together of two halves of a hollow coconut shell to simulate a horse's gallop; used in plays, films, etc
- spot reducing — the usually futile effort to exercise one part of the body, as the thighs, in hopes of reducing the amount of fat stored in that area.
- subadolescent — younger than or not quite adolescent
- subindication — the act or process of subindicating
- sugar orchard — sugarbush (def 2).
- suicidologist — someone who studies suicidology
- sulfonic acid — any of a large group of organic compounds of the structure RSO 2 OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.
- sunday school — a school, now usually in connection with a church, for religious instruction on Sunday.
- supercollider — a very large colliding-beam machine in which superconducting magnets create millions of megavolts of energy.
- talcum powder — a powder made of purified, usually perfumed talc, for toilet purposes.
- tax deduction — an expenditure that is deducted from taxable income.
- the unco guid — narrow-minded, excessively religious, or self-righteous people
- thoracic duct — the main trunk of the lymphatic system, passing along the spinal column in the thoracic cavity, and conveying a large amount of lymph and chyle into the venous circulation.
- thoroughpaced — trained to go through all the possible paces, as a horse.
- time discount — a discount allowed for payment of an invoice or bill before it falls due.
- to hold court — If someone holds court in a place, they are surrounded by a lot of people who are paying them a lot of attention because they are interesting or famous.
- to play cupid — If you say that someone is playing cupid, you mean that they are trying to bring two people together to start a romantic relationship.
- tour de force — an exceptional achievement by an artist, author, or the like, that is unlikely to be equaled by that person or anyone else; stroke of genius: Herman Melville's Moby Dick was a tour de force.
- trade council — a central council composed of local trade unions.