13-letter words containing d, o, u, n
- put an end to — the last part or extremity, lengthwise, of anything that is longer than it is wide or broad: the end of a street; the end of a rope.
- pycnoconidium — a pycnidiospore
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadrillionth — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- quadriphonics — quadraphony.
- quarter pound — a unit of weight equal to a quarter of a pound or 4 ounces avoirdupois
- quarter round — a molding, as on an ovolo, whose section is a quarter circle.
- quarter-bound — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
- 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
- queen dowager — the widow of a king.
- 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.
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- random number — pseudorandom number
- random rubble — masonry in which untooled stones are set without coursing
- rattle around — If you say that someone rattles around in a room or other space, you mean that the space is too large for them.
- reading group — a group of people who meet regularly to discuss a book that they have all read
- 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.
- redial button — a button on a telephone, allowing the user to dial a number again
- redissolution — the act of redissolving
- reduplication — the act of reduplicating; the state of being reduplicated.
- rendezvousing — an agreement between two or more persons to meet at a certain time and place.
- 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.
- rough diamond — gemstone: uncut diamond
- round herring — any of several herringlike fishes of the family Dussumieriidae having a rounded abdomen, living chiefly in tropical marine waters.
- round kumquat — an evergreen, citrus shrub or small tree, Fortunella japonica, of Japan, having blunt, broad leaves and globe-shaped, edible fruit.
- round of beef — round1 (def 35a).
- round-cheeked — having plump cheeks
- round-tripper — a home run.
- roundtripping — a form of trading in which a company borrows a sum of money from one source and takes advantage of a short-term rise in interest rates to make a profit by lending it to another
- ruggedization — the act or process of making something rugged
- running board — a small ledge, step, or footboard, formerly beneath the doors of an automobile, to assist passengers entering or leaving the car.
- running order — The running order of the items in a broadcast, concert, or show is the order in which the items will come.
- santos-dumont — Alberto [ahl-ber-too] /ɑlˈbɛr tʊ/ (Show IPA), 1873–1932, Brazilian aeronaut in France: designer and builder of dirigibles and airships.
- 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-delusion — the act or fact of deluding oneself.
- self-doubting — lacking in confidence
- 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.
- serendipitous — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- shoulder knot — a knot of ribbon or lace worn on the shoulder, as by men of fashion in the 17th and 18th centuries, by servants in livery, or by women or children.