15-letter words containing r, i, b, o
- coureur de bois — a French Canadian woodsman or Métis who traded with Native Americans for furs
- credit mobilier — a joint-stock company organized in 1863 and reorganized in 1867 to build the Union Pacific Railroad. It was involved in a scandal in 1872 in which high government officials were accused of accepting bribes.
- crude oil berth — A crude oil berth is a place at a port for ships carrying crude oil.
- cucumber mosaic — a viral disease of cucumbers and many other plants, characterized by a mosaic pattern and distortion of leaves and fruits.
- cyclobenzaprine — A particular antidepressant generally prescribed as an analgesic and muscle relaxant.
- cystic fibrosis — Cystic fibrosis is a serious disease of the glands which usually affects children and can make breathing difficult.
- dartmouth basic — (language) The original BASIC language, designed by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963. Dartmouth BASIC first ran on a GE 235 [date?] and on an IBM 704 on 1964-05-01. It was designed for quick and easy programming by students and beginners using Dartmouth's experimental time-sharing system. Unlike most later BASIC dialects, Dartmouth BASIC was compiled.
- de broglie wave — a hypothetical wave associated with the motion of a particle of atomic or subatomic size that describes effects such as the diffraction of beams of particles by crystals.
- decarboxylation — the removal or loss of a carboxyl group from an organic compound
- decarburization — The act, process, or result of decarburizing.
- democratifiable — able to be made into a democracy
- demonstrability — The quality of being demonstrable.
- detribalisation — Alternative form of detribalization.
- detribalization — to cause to lose tribal allegiances and customs, chiefly through contact with another culture.
- dichlorobenzene — any of a group of three insoluble isomeric chemical compounds used in solvents, insecticides, and dyes
- discount broker — an agent who discounts commercial paper.
- distributor cap — the cap of an engine's distributor that holds in place the wires from the distributor to the sparking plugs
- distributorship — a franchise held by a distributor.
- dithiocarbamate — any salt or ester of dithiocarbamic acid, commonly used as fungicides
- dolomite marble — coarse-grained dolomite.
- donnybrook fair — a fair which until 1855 was held annually at Donnybrook, County Dublin, Ireland, and which was famous for rioting and dissipation.
- dorsibranchiate — having branchiae or gills along the back
- double in brass — twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
- double integral — an integral in which the integrand involves a function of two variables and that requires two applications of the integration process to evaluate.
- double or quits — twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
- double printing — the exposure of the same positive photographic emulsion to two or more negatives, resulting in the superimposition of multiple images after development
- dropping bottle — a bottle with correlated lengthwise grooves in the neck and in the stopper, permitting a controlled flow of the liquid contents in the form of drops.
- dysmorphophobia — an obsessive fear that one's body, or any part of it, is repulsive or may become so
- dysmorphophobic — relating to or affected with dysmorphophobia
- elastic rebound — a theory of earthquakes that envisages gradual deformation of the fault zone without fault slippage until friction is overcome, when the fault suddenly slips to produce the earthquake
- electronic book — An electronic book is the same as an e-book.
- eleutherophobia — the fear of freedom
- eleutherophobic — afraid of freedom
- embroidery silk — a silk thread used for embroidery
- embryologically — Regarding embryology.
- enterobacterial — relating to enterobacteria
- enterobacterium — (microbiology) Any of very many gram-negative rod-shaped bacteria of the family Enterobacteriaceae, many of which are pathogenic.
- eta abstraction — eta conversion
- examining board — an organization that sets and corrects exams
- executive board — administrative committee
- fabric softener — a substance added to fabrics during laundering to make them puffier and softer.
- fair-haired boy — having light-colored hair.
- ferrihemoglobin — methemoglobin.
- fibrocartilages — Plural form of fibrocartilage.
- fishing harbour — a place where fishing boats are tied up
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- flowering shrub — any shrub that produces flowers
- forbidden fruit — the fruit of the tree of knowledge of good and evil, tasted by Adam and Eve against God's prohibition. Gen. 2:17; 3:3.
- forget about it — don't mention it, you're welcome
- founding member — A founding member of a club, group, or organization is one of the first members, often one who was involved in setting it up.