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

  • 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.
  • 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.
  • oligomerisation — Alternative spelling of oligomerization.
  • oligomerization — (chemistry) The formation of an oligomer from a monomer.
  • oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
  • oliver cromwell — Oliver, 1599–1658, English general, Puritan statesman, and Lord Protector of England, Scotland, and Ireland 1653–58.
  • omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
  • 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 enrollment — open admissions.
  • 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.
  • 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
  • optoelectronics — the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.
  • orange milkweed — butterfly weed (def 1).
  • orchestrational — Of or pertaining to orchestration.
  • 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).
  • orestes complex — Psychoanalysis. an unconscious desire of a son to kill his mother.
  • organized labor — all workers who are organized in labor unions.
  • organochlorines — Plural form of organochlorine.
  • organomercurial — an organic compound containing mercury
  • oriental carpet — Oriental rug.
  • orientationally — With regard to orientation.
  • 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.
  • 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
  • ostreiculturist — a person who breeds oysters
  • 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-complexity — the state or quality of being complex; intricacy: the complexity of urban life.
  • over-compliance — the act of conforming, acquiescing, or yielding.
  • 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.
  • 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-privileged — having too many advantages or opportunities compared to others.
  • over-publicized — to give publicity to; bring to public notice; advertise: They publicized the meeting as best they could.
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