15-letter words containing n, e, r, d, o
- nonreproductive — Not able to reproduce; sterile.
- nonstandardized — Unstandardized.
- nordic combined — a competition for Nordic skiers comprising ski jumping and cross-country skiing events, the winner having the highest combined score.
- norethandrolone — An anabolic steroid.
- normally-closed — Normally-closed switch contacts are in a closed state at rest.
- northeastwardly — Towards the northeast.
- northwestwardly — Towards the northwest.
- nuclear-powered — powered by nuclear energy
- nuisance ground — a garbage dump.
- number one wood — driver (def 4).
- 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-oriented — pertaining to or denoting a system, programming language, etc., that supports the use of objects, as an entire image, a routine, or a data structure.
- ocean greyhound — a fast ship, esp a liner
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- odoriferousness — The quality of being odoriferous.
- off one's guard — to keep safe from harm or danger; protect; watch over: to guard the ruler.
- oil of lavender — an essential oil distilled from lavender flowers, especially Lavandula angustifolia and L. stoechas, and used in perfumery.
- old boy network — an exclusive network that links members of a profession, social class, or organization or the alumni of a particular school through which the individuals assist one another in business, politics, etc.
- old high german — High German before 1100. Abbreviation: OHG.
- old man's beard — fringe tree.
- old-boy network — an exclusive network that links members of a profession, social class, or organization or the alumni of a particular school through which the individuals assist one another in business, politics, etc.
- 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
- oligodendrocyte — A glial cell similar to an astrocyte but with fewer protuberances, concerned with the production of myelin in the central nervous system.
- oligodendroglia — Oligodendrocytes collectively.
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- on (the) record — recorded; publicly or officially declared or known
- on a razor edge — in an extremely precarious state
- on the decrease — decreasing
- on the order of — an authoritative direction or instruction; command; mandate.
- onward progress — progress that advances or improves (a situation, etc)
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- orange chromide — an Asian cichlid fish, Etropus maculatus, with a brownish-orange spotted body
- orange hawkweed — a European composite plant, Hieracium aurantiacum, having orange, dandelionlike flowers, growing as a weed, especially in eastern North America.
- orange milkweed — butterfly weed (def 1).
- orangeman's day — the 12th of July, celebrated by Protestants in Northern Ireland to commemorate the anniversary of the Battle of the Boyne (1690)
- orangemen's day — July 12, an annual celebration in Northern Ireland and certain cities having a large Irish section, especially Liverpool, to mark both the victory of William III over James II at the Battle of the Boyne, July 1, 1690, and the Battle of Augbrim, July 12, 1690.
- order of canada — an order awarded to Canadians for outstanding achievement; established in 1967
- order-embedding — A function f : D -> C is order-embedding iff for all x, y in D, f(x) <= f(y) <=> x <= y. I.e. arguments and results compare similarly. A function which is order-embedding is monotonic and one-to-one and an injection. ("<=" is written in LaTeX as \sqsubseteq).
- ordered n-tuple — a set of n objects or quantities, where n is an integer, especially such a set arranged in a specified order (ordered n-tuple)
- 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).
- ordinary degree — a university degree without honours
- ordinary income — taxable income, as salary and wages, other than capital gains.
- ordinary seaman — a seaman insufficiently skilled to be classified as an able-bodied seaman. Abbreviation: O.D., O.S., o.s.
- ordinary shares — British. a share of common stock.
- ordnance survey — mapmaking agency
- organic disease — a disease in which there is a structural alteration (opposed to functional disease).
- organized chaos — a complex situation or process that appears chaotic while having enough order to achieve progress or goals
- organized crime — illegal activities co-ordinated by groups