15-letter words containing r, o, d, e

oil of lavender — an essential oil distilled from lavender flowers, especially Lavandula angustifolia and L. stoechas, and used in perfumery.
olbers' paradox — the paradox that if the universe consisted of an infinite number of stars equally distributed through space, then every line of sight would come from a star and the night sky would glow uniformly, which is observationally not true.
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 father time — time personified
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.
oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
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 battle — the organization or hierarchy of military forces in preparation for a battle.
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)
orderly officer — Military. officer of the day, as in the British army or, formerly, in the U.S. Army.
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.
ortega saavedra — (José) Daniel [haw-se dah-nyel] /hɔˈsɛ dɑˈnyɛl/ (Show IPA), born 1945, Nicaraguan political leader: president 1985–90.
ortho-toluidine — Chemistry. a light-yellow, very slightly water-soluble liquid, C 7 H 9 N, the ortho isomer of toluidine: used in the manufacture of dyes, saccharin, and other organic compounds, and in textile printing processes.
orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
orthopaedically — in an orthopaedic manner
osteochondritis — inflammation of bone and cartilage.
osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
outline drawing — a drawing consisting only of external lines
outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.

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