15-letter words containing e, l, d, r
- nitriding steel — any steel suitable for casehardening by nitriding.
- no holds barred — to have or keep in the hand; keep fast; grasp: She held the purse in her right hand. He held the child's hand in his.
- nolo contendere — (in a criminal case) a defendant's pleading that does not admit guilt but subjects him or her to punishment as though a guilty plea had been entered, the determination of guilt remaining open in other proceedings.
- non-adversarial — a person, group, or force that opposes or attacks; opponent; enemy; foe.
- non-alliterated — to show alliteration: In “Round and round the rugged rock the ragged rascal ran,” the “r” alliterates.
- non-declarative — serving to declare, make known, or explain: a declarative statement.
- non-depreciable — capable of depreciating or being depreciated in value.
- non-detrimental — causing detriment, as loss or injury; damaging; harmful.
- non-residential — of or relating to residence or to residences: a residential requirement for a doctorate.
- non-shareholder — a holder or owner of shares, especially in a company or corporation.
- noncredentialed — not credentialed or lacking credentials
- nondepartmental — not limited to or related to a specific department
- nonmatriculated — not matriculated, not enrolled in an institution, esp a college or university
- nonmelodramatic — Not melodramatic.
- nonprecedential — Not precedential.
- nonreproducible — Unable to be reproduced; not reproducible.
- 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 warhead — a warhead containing a fission or fusion bomb.
- nuclear-powered — powered by nuclear energy
- 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.
- 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.
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- orange milkweed — butterfly weed (def 1).
- order of battle — the organization or hierarchy of military forces in preparation for a battle.
- 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).
- organized labor — all workers who are organized in labor unions.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- 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.
- orthopaedically — in an orthopaedic manner
- 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.
- over-controlled — to exercise restraint or direction over; dominate; command: The car is difficult to control at high speeds. That zone is controlled by enemy troops.