13-letter words containing o, b, e, a
- nonrecyclable — Not recyclable.
- nonrefillable — Not refillable; unable to be refilled.
- nonrefundable — an amount refunded.
- nonreturnable — not returnable.
- nonshrinkable — incapable of being shrunk
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- noticeability — The quality of being easy to see or notice.
- obi-wan error — (programming) /oh'bee-won" er"*r/ (RPI, from "off-by-one" and the Obi-Wan Kenobi character in "Star Wars") A kind of off-by-one error.
- object clause — the clause that acts as the object of a verb
- object pascal — (language) An object-oriented Pascal developed jointly by Apple Computer and Niklaus Wirth.
- objectionable — causing or tending to cause an objection, disapproval, or protest.
- objectionably — causing or tending to cause an objection, disapproval, or protest.
- objurgatively — In an objurgative or reproving manner.
- oblique angle — an angle that is not a right angle; an acute or obtuse angle.
- oblique fault — a fault that runs obliquely to, rather than parallel to or perpendicular to, the strike of the affected rocks
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- observational — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- observatories — Plural form of observatory.
- observer team — a team deployed to an area of conflict to observe proceedings
- obsessionally — In an obsessional manner.
- obstacle race — a foot race in which the contestants are prevented in a specific way from covering the full course at top speed, as by having hurdles to jump, sacks enclosing the legs, or potatoes to pick up.
- obstetrically — (medicine) In terms of obstetrics.
- obstetricians — Plural form of obstetrician.
- obstinateness — The characteristic of being obstinate.
- octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- octosyllables — Plural form of octosyllable.
- office bearer — a person who holds an office, as in a society, company, club, etc; official
- oil-based mud — Oil-based mud is a drilling fluid that is an emulsion containing oil as the base fluid.
- on one's back — the rear part of the human body, extending from the neck to the lower end of the spine.
- open a bottle — If you open a bottle, you remove the cork or cap.
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- optical fiber — optical fibre
- optical fibre — (communications) (fibre optics, FO, US "fiber", light pipe) A plastic or glass (silicon dioxide) fibre no thicker than a human hair used to transmit information using infra-red or even visible light as the carrier (usually a laser). The light beam is an electromagnetic signal with a frequency in the range of 10^14 to 10^15 Hertz. Optical fibre is less susceptible to external noise than other transmission media, and is cheaper to make than copper wire, but it is much more difficult to connect. Optical fibres are difficult to tamper with (to monitor or inject data in the middle of a connection), making them appropriate for secure communications. The light beams do not escape from the medium because the material used provides total internal reflection. See also FDDI, Optical Carrier n, SONET.
- ora et labora — pray and work
- orbital index — the ratio of the maximum breadth to the maximum height of the orbital cavity multiplied by 100.
- organ-builder — a maker of organs
- osborne, adam — Adam Osborne
- osteoblastoma — (oncology) an uncommon osteoid tissue-forming primary neoplasm of the bone.
- out of breath — the air inhaled and exhaled in respiration.
- over a barrel — a cylindrical wooden container with slightly bulging sides made of staves hooped together, and with flat, parallel ends.
- over-abstract — thought of apart from concrete realities, specific objects, or actual instances: an abstract idea.
- 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.
- overambitious — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- overbalancing — Present participle of overbalance.
- overbearingly — domineering; dictatorial; haughtily or rudely arrogant.
- overbreathing — hyperventilation
- overelaborate — excessively or fussily elaborate, ornate, detailed, etc.
- overexcitable — Excessively excitable.
- overexuberant — effusively and almost uninhibitedly enthusiastic; lavishly abundant: an exuberant welcome for the hero.