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15-letter words containing a, l, t, e

  • nuclear reactor — reactor (def 4).
  • nuclear testing — the process of carrying out a test on a nuclear weapon to determine effectiveness, etc
  • 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 language — the language to which a metalanguage refers.
  • objectionable-c — (abuse, humour, language)   A hackish take on "Objective C". Objectionable-C uses a Smalltalk-like syntax, but lacks the flexibility of Smalltalk method calls, and (like many such efforts) comes frustratingly close to attaining the Right Thing without actually doing so.
  • observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
  • obstacle course — a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession.
  • obtuse triangle — a triangle with one obtuse angle.
  • official strike — a collective stoppage of work by part or all of the workforce of an organization with the approval of the trade union concerned. The stoppage may be accompanied by the payment of strike pay by the trade union concerned
  • oil tanker pier — An oil tanker pier is a structure over water where oil tankers can stop and load or unload.
  • oil-based paint — any paint made with a drying oil or solvent such as linseed
  • old clothes man — a person who deals in second-hand clothes
  • old father time — time personified
  • old wives' tale — a traditional belief, story, or idea that is often of a superstitious nature.
  • old-established — established for a long time
  • old-man-the-sea — (in The Arabian Nights' Entertainments) an old man who clung to the shoulders of Sindbad the Sailor for many days and nights.
  • 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
  • olfactory nerve — either one of the first pair of cranial nerves, consisting of sensory fibers that conduct to the brain the impulses from the mucous membranes of the nose.
  • oligomerisation — Alternative spelling of oligomerization.
  • oligomerization — (chemistry) The formation of an oligomer from a monomer.
  • omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
  • on the trail of — If you are on the trail of a person or thing, you are trying hard to find them or find out about them.
  • one's last hour — the time of one's death
  • open-pollinated — (of a flower) pollinated without human agency.
  • operating cycle — the period of time between starting a business and making a profit
  • operating table — table on which surgery is performed
  • operationalised — Simple past tense and past participle of operationalise.
  • operationalized — Simple past tense and past participle of operationalize.
  • ophthalmoplegia — Paralysis of the muscles within or surrounding the eye.
  • ophthalmoscopes — Plural form of ophthalmoscope.
  • optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
  • optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
  • optical storage — optical disk drive
  • orchestrational — Of or pertaining to orchestration.
  • order of battle — the organization or hierarchy of military forces in preparation for a battle.
  • oriental carpet — Oriental rug.
  • orientationally — With regard to orientation.
  • ornithodelphian — of or relating to mammals of the class Ornithodelphia
  • orthokeratology — a technique for correcting refractive errors in vision by changing the shape of the cornea with the temporary use of progressively flatter hard contact lenses.
  • 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-analytical — pertaining to or proceeding by analysis (opposed to synthetic).
  • over-articulate — excessively articulate
  • over-capitalise — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
  • over-cultivated — to prepare and work on (land) in order to raise crops; till.
  • over-particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.
  • over-population — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
  • over-regulation — a law, rule, or other order prescribed by authority, especially to regulate conduct.
  • overapplication — excessive application
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