15-letter words containing o, b
- double-breasted — (of a coat, jacket, etc.) overlapping sufficiently in front to allow for two rows of buttons.
- double-declutch — to change to a lower gear in a motor vehicle by first placing the gear lever into the neutral position before engaging the desired gear, at the same time releasing the clutch pedal and increasing the engine speed
- double-entendre — a double meaning.
- doublet pattern — a pattern, as on a fabric, in which a figure or group is duplicated in reverse order on the opposite side of a centerline.
- doubting thomas — a person who refuses to believe without proof; skeptic. John 20:24–29.
- drop handlebars — aerodynamic handlebars that drop down and curve towards the rider at the ends rather than turning upwards as on conventional bicycles
- 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.
- dvorak keyboard — a keyboard designed to facilitate typing speed by having the most frequently used characters on the home row, with all the vowels on the left side.
- 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
- edition binding — a decorative binding for books, often of leather or simulated leather.
- elaborated code — a way of talking which is explicit and does not assume that the listener shares the same assumptions and understandings as the speaker
- 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.
- emission nebula — a type of nebula that emits visible radiation
- endocannabinoid — An endogenous cannabinoid, that is one produced by the body.
- endocannibalism — A form of cannibalism, the eating of dead members of one's own social group, often associated with spiritual beliefs.
- engagement book — couple
- english bulldog — bulldog (sense 1)
- 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
- everly brothers — the. US pop singing duo comprising Don Everly (born 1937) and Phil Everly 1939–2014, noted for their close harmonies
- examining board — an organization that sets and corrects exams
- executive board — administrative committee
- exhibition game — In sports, an exhibition game is a game that is not part of a competition, and is played for entertainment or practice, often without any serious effort to win.
- exhibition hall — a hall in which pictures, sculptures, or other objects of interest are displayed
- exhibitionistic — Having a tendency toward exhibitionism.
- extension cable — an extra length of cable with a plug and a connector that can be added to an electric lead
- fabric softener — a substance added to fabrics during laundering to make them puffier and softer.
- fair-haired boy — having light-colored hair.
- fallopian tubes — one of a pair of long, slender ducts in the female abdomen that transport ova from the ovary to the uterus and, in fertilization, transport sperm cells from the uterus to the released ova; the oviduct of higher mammals.
- false buckthorn — a spiny shrub or small tree, Bumelia lanuginosa, of the sapodilla family, native to the southern U.S., having gummy, milky sap and white, bell-shaped flowers and yielding a hard, light-brown wood.
- false hellebore — any of various plants belonging to the genus Veratrum, of the lily family, especially a North American species, V. viride, which has clusters of yellowish-green flowers and is the source of substances used in certain medicines and insecticides.
- fashionableness — The state of being fashionable; stylishness; elegance.
- ferrihemoglobin — methemoglobin.
- ferromolybdenum — a ferroalloy containing up to 60 percent molybdenum.
- fibrocartilages — Plural form of fibrocartilage.
- fine-tooth comb — a comb having narrow, closely set teeth.
- fishing harbour — a place where fishing boats are tied up
- flesh and blood — offspring or relatives: one's own flesh and blood.
- 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
- flying jib boom — an extension on a jib boom, to which a flying jib is fastened.
- fob destination — FOB destination is a shipping term indicating that ownership of goods passes at delivery to their destination, and the seller has total responsibility until then.
- football ground — an area of land where football games are played