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

  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • outline drawing — a drawing consisting only of external lines
  • over-analytical — pertaining to or proceeding by analysis (opposed to synthetic).
  • over-compliance — the act of conforming, acquiescing, or yielding.
  • 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
  • overconfidently — In an overconfident manner.
  • overcontrolling — excessively controlling
  • overcultivation — the act or art of cultivating.
  • overemotionally — In an overemotional manner.
  • overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
  • overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
  • overutilization — to put to use; turn to profitable account: to utilize a stream to power a mill.
  • oxygen cylinder — a metal cylinder containing oxygen under pressure
  • oxytetracycline — a dull-yellow, crystalline antibiotic powder, C 2 2 H 2 4 N 2 O 9 , produced by Streptomyces rimosus, used chiefly in treating infections caused by streptococci, staphylococci, Gram-negative bacilli, rickettsiae, and certain protozoans and viruses.
  • paedophile ring — a group of people who take part in illegal sexual activity involving children
  • painter's colic — Pathology. lead poisoning causing intense intestinal pain.
  • palaeoanthropic — relating to palaeoanthropology
  • parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
  • parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
  • 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.
  • pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
  • percussion lock — a gunlock on a firearm that fires by striking a percussion cap.
  • percussion tool — a power driven tool which operates by striking rapid blows: the power may be electricity or compressed air
  • peroxide blonde — You can refer to a woman whose hair has been artificially been made lighter in colour as a peroxide blonde, especially when you want to show that you disapprove of this, or that you think her hair looks unnatural or unattractive.
  • personal friend — a person who is a friend, rather than a colleague or acquaintance
  • personal injury — injury to an individual
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