15-letter words containing a, b, n, d
- obedience trial — a competitive event at which a dog can progress toward a degree in obedience by demonstrating its ability to follow a prescribed series of commands.
- object distance — the distance between the lens of a camera and an object being photographed.
- obsidian dating — a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter.
- obsidional coin — siege piece.
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- old man's beard — fringe tree.
- old-man's-beard — fringe tree.
- oldenbarneveldt — Johan van. 1547–1619, Dutch statesman, regarded as a founder of Dutch independence; the leading figure (from 1586) in the United Provinces of the Netherlands: executed by Maurice of Nassau
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- organized labor — all workers who are organized in labor unions.
- painted bunting — a brilliantly colored bunting, Passerina ciris, of the southern U.S.
- platinum blonde — a person, especially a girl or woman, whose hair is of a pale blond or silver color, usually colored artificially by bleaching or dyeing.
- predeterminable — able to be predetermined; able to be determined in advance
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- procrustean bed — a plan or scheme to produce uniformity or conformity by arbitrary or violent methods.
- promotion board — group that markets or advertises sth
- pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- qaboos bin said — born 1940, Sultan of Oman from 1970
- quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
- queensland blue — a pumpkin with a bluish skin
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio
- random variable — a quantity that takes any of a set of values with specified probabilities.
- recombinant dna — DNA in which one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
- record-breaking — top, most successful
- regimental band — a band made up of a military formation varying in size from a battalion to a number of battalions
- relational dbms — relational database
- remembrance day — (in Canada) November 11, observed as a legal holiday in memory of those who died in World Wars I and II, similar to Veterans Day in the U.S.
- rent-stabilized — regulated by law so that rent increases may not exceed a specified amount.
- retained object — an object in a passive construction identical with the direct or indirect object in the active construction from which it is derived, as the picture in I was shown the picture, which is also the direct object in the active construction (They) showed me the picture.
- reuben sandwich — a grilled sandwich of corned beef, Swiss cheese, and sauerkraut on rye bread.
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- robin redbreast — robin (defs 1, 2).
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- root and branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
- root-and-branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
- roundaboutation — circumlocution
- roundaboutility — roundaboutness
- sand-lime brick — a hard brick composed of silica sand and a lime of high calcium content, molded under high pressure and baked.
- satin bowerbird — the largest Australian bowerbird, Ptilonorhynchus violaceus, the male of which has lustrous blue plumage
- say one's beads — to pray with a rosary
- sebaceous gland — any of the cutaneous glands that secrete oily matter for lubricating hair and skin.
- self-debasement — to reduce in quality or value; adulterate: They debased the value of the dollar.
- selfabandonment — absence or lack of personal restraint.
- sentence adverb — an adverb modifying or commenting upon the content of a sentence as a whole or upon the conditions under which it is uttered, as frankly in Frankly, he can't be trusted.
- silicon carbide — a very hard, insoluble, crystalline compound, SiC, used as an abrasive and as an electrical resistor in objects exposed to high temperatures.
- single-breasted — (of a coat, jacket, etc.) having a front closure directly in the center with only a narrow overlap secured by a single button or row of buttons.
- single-sideband — of or pertaining to a system of radio transmission in which one of the two sidebands produced during modulation is suppressed
- sodium benzoate — a white crystalline soluble compound used as an antibacterial and antifungal agent in preserving food (E211), as an antiseptic, and in making dyes and pharmaceuticals. Formula: (C6H5COO)Na
- sound as a bell — in perfect condition