15-letter words containing e, n, d, o, r, a
- old high german — High German before 1100. Abbreviation: OHG.
- old man's beard — fringe tree.
- 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
- oligodendroglia — Oligodendrocytes collectively.
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- on a razor edge — in an extremely precarious state
- on the decrease — decreasing
- 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
- 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
- organized labor — all workers who are organized in labor unions.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orphaned i-node — (operating system) /or'f*nd i:'nohd/ [Unix] 1. A file that retains storage but no longer appears in the directories of a file system.
- outline drawing — a drawing consisting only of external lines
- outward journey — a journey leaving for a particular destination (as opposed top one returning home)
- over one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- overcompensated — to compensate or reward excessively; overpay: Some stockholders feel the executives are being overcompensated and that bonuses should be reduced.
- overdramatizing — Present participle of overdramatize.
- overentertained — entertained to excess
- overforwardness — the quality of being too familiar
- overopinionated — too opinionated
- pacific madrone — any of several evergreen trees belonging to the genus Arbutus, of the heath family, especially A. menziesii (Pacific madrone) of western North America, having red, flaky bark and bearing edible reddish berries.
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- pandorae fretum — an area in the southern hemisphere of Mars.
- panzer division — an armored division of the German army, especially in World War II, consisting chiefly of tanks and organized for making rapid attacks.
- parent compound — a compound from which derivatives may be obtained.
- paternity order — a court order which declares a child's paternity
- peak production — the maximum production
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
- period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.