13-letter words containing o, b, d, u
- humboldt peak — a mountain in S Colorado, in the Sangre de Cristo range. 14,064 feet (4290 meters).
- hybrid vigour — the increased size, strength, etc, of a hybrid as compared to either of its parents
- i'll be bound — I am sure (something) is true
- inbounds line — one of two broken lines, parallel to the sidelines and running the length of the field, to which the ball is brought when it goes beyond the sidelines.
- inconcludable — Impossible to conclude; unfinishable.
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator
- insolubilized — Made insoluble.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- judgment book — the book from which all persons will be judged at the Last Judgment, containing a full record of their acts.
- labrador duck — an extinct sea duck, Camptorhynchus labradorius, of northern North America, having black and white plumage.
- loft building — a building of several floors with large areas of unobstructed space, originally rented out for light industrial purposes and now frequently converted to residential occupancy.
- mandibuliform — Having the form of a mandible; - said especially of the maxill\u00e6 of an insect when hard and adapted for biting.
- meadow beauty — any of several North American plants of the genus Rhexia, especially R. mariana or R. virginica, having showy rose-pink flowers with eight prominent bright yellow stamens.
- medium bomber — a moderately large airplane capable of carrying large bomb loads for moderate distances at medium altitudes, especially one having a gross loaded weight of 100,000 to 250,000 pounds (45,000 to 113,000 kg).
- middleborough — a town in SE Massachusetts.
- middlesbrough — a seaport in NE England, on the Tees estuary.
- mixed doubles — (in tennis) a doubles match with a man and a woman on each side.
- mobile studio — a van, truck, etc equipped as a recording, broadcasting etc studio
- mottled umber — a brownish geometrid moth, Erannis defoliaria, whose looper larvae can strip branches and even trees
- mound builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.
- mound-builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.
- mountainboard — a type of skateboard specially designed for rough terrain and steep slopes, having four large wheels linked by a suspension system
- mourning band — a piece of black material, esp an armband, worn to indicate that the wearer is in mourning
- neighbourhood — Standard spelling of neighborhood.
- neurofeedback — The presentation of realtime feedback on brainwave activity, as measured by sensors on the scalp, sometimes offered as a means of therapy.
- non-budgetary — an estimate, often itemized, of expected income and expense for a given period in the future.
- non-reducible — capable of being reduced.
- nondeductible — Not allowable as a deduction from income for the calculation of taxes.
- nondiffusible — not diffusible
- nonrefundable — an amount refunded.
- nonsubsidized — not subsidized
- obiter dictum — an incidental or passing remark, opinion, etc.
- oeil-de-boeuf — a comparatively small round or oval window, as in a frieze.
- oil-based mud — Oil-based mud is a drilling fluid that is an emulsion containing oil as the base fluid.
- old bulgarian — the Bulgarian language of the Middle Ages.
- ombudsmanship — The position or office of an ombudsman.
- ombudspersons — Plural form of ombudsperson.
- on the double — 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.
- onus probandi — the burden of proof.
- organ-builder — a maker of organs
- out and about — busy, active outside the home
- out of bounds — Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
- out-of-bounds — Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
- outward bound — (in Britain) a scheme to provide adventure training for young people
- outward-bound — headed in an outward direction, as toward foreign ports: We passed an outward-bound ship as we came into the harbor.
- over-abundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overabundance — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overburdening — Present participle of overburden.
- polybutadiene — a rubberlike polymer of butadiene blended with other synthetics to replace natural rubber in tires.
- postdebutante — following the stage of being a debutante