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15-letter words containing p, t, e, r, o

  • autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
  • autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
  • back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
  • backup software — (tool, software)   Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
  • bacteriophagous — Pertaining to the predation and consumption of bacterium.
  • bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
  • baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
  • barothermograph — an automatic instrument for recording pressure and temperature.
  • beam-power tube — a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
  • beet leafhopper — a small leafhopper (Circulifer tenellus) that transmits a very destructive virus to sugar beets
  • beetroot purple — a deep purple-red; a purple pigment derived from beets.
  • bits per second — (communications, unit)   (bps, b/s) The unit in which data rate is measured. For example, a modem's data rate is usually measured in kilobits per second. In 1996, the maximum modem speed for use on the PSTN was 33.6 kbps, rising to 56 kbps in 1997. Note that kilo- (k), mega- (M), etc. in data rates denote powers of 1000, not 1024.
  • black operation — a covert and undocumented military operation
  • blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
  • boustrophedonic — of or relating to lines written in opposite directions
  • break-out group — a group of people who detach themselves from a larger group or meeting in order to hold separate discussions
  • breakeven point — a point at which the total revenue and total cost are equal
  • brocken specter — an optical phenomenon sometimes occurring at high altitudes when the image of an observer placed between the sun and a cloud is projected on the cloud as a greatly magnified shadow.
  • broken pediment — a pediment, as over a doorway or window, having its raking cornice interrupted at the crown or apex.
  • brussels sprout — Brussels sprouts are vegetables that look like tiny cabbages.
  • camera operator — a person who operates a film or television camera
  • camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
  • car transporter — a vehicle for carrying automobiles
  • carpometacarpal — Anatomy. of or relating to the carpus and the metacarpus.
  • carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
  • cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
  • castanospermine — a substance obtained from the Australian chestnut or black bean tree
  • casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
  • castner process — a process for extracting sodium from sodium hydroxide, devised by Hamilton Young Castner (1858–98)
  • cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
  • cephalochordate — any chordate animal of the subphylum Cephalochordata, having a fishlike body and no vertebral column; lancelet
  • cephalothoracic — the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
  • cephalothoraxes — Plural form of cephalothorax.
  • charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
  • check protector — checkwriter.
  • chemoautotrophs — Plural form of chemoautotroph.
  • chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
  • chemolithotroph — Chemoautotroph.
  • chemoprevention — the prevention of disease, esp cancer, by means of chemical agents
  • chemopsychiatry — the study and application of chemical substances in psychiatry
  • chest protector — a protective pad worn over the chest by a catcher or umpire to shield the body from foul tips.
  • chief inspector — an officer of high rank in British police forces
  • chiropterophily — Pollination by bats.
  • chromatographer — A person skilled in chromatography or who operates a chromatograph.
  • chromium-plated — having been plated with chromium
  • cinematographed — a motion-picture projector.
  • cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
  • cinematographic — a motion-picture projector.
  • cleptoparasites — Plural form of cleptoparasite.
  • commit to paper — to write down; record
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