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15-letter words containing o, p, t, i

  • autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
  • autotrophically — through an autotrophic process
  • 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 rotation — (operating system)   Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.
  • bacteriophagous — Pertaining to the predation and consumption of bacterium.
  • balanoposthitis — An inflammation of the glans penis and the prepuce.
  • ballpoint (pen) — a pen having, instead of a point, a small ball bearing that picks up its ink by rolling against an interior ink reservoir
  • bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
  • banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
  • 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.
  • biopsychologist — a field of psychology that deals with the effects of biological factors on behavior.
  • biostratigraphy — the examination of the ages of rock strata by using fossils
  • bit-mapped font — a computer font whose characters are held in memory as series of dots.
  • 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.
  • blotch printing — a fabric-printing method in which the ground color is transferred from the cylinder and the motif retains the original hue of the cloth.
  • boiled potatoes — potatoes, usually peeled, cooked in boiling water
  • bouillotte lamp — a table lamp of the 18th century, having two or three adjustable candle brackets and a common shade sliding on a central shaft.
  • boustrophedonic — of or relating to lines written in opposite directions
  • bowel complaint — bowel disease or condition
  • breakeven point — a point at which the total revenue and total cost are equal
  • broken pediment — a pediment, as over a doorway or window, having its raking cornice interrupted at the crown or apex.
  • buy-back option — the option for a company to buy some or all of its shares from an investor, who acquired them by putting venture capital into the company when it was formed
  • campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
  • camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
  • capillarization — The formation and development of a network of capillaries to a part of the body; it is increased by aerobic exercise.
  • capital account — A country's capital account is the part of its balance of payments that is concerned with the movement of capital.
  • capital offence — a crime for which the death penalty is used
  • capitalizations — Plural form of capitalization.
  • capitulationism — advocacy or approval of capitulation.
  • capitulationist — advocacy or approval of capitulation.
  • cardinal points — the four main points of the compass: north, south, east, and west
  • cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
  • cast-iron plant — any of several plants belonging to the genus Aspidistra, of the lily family, native to eastern Asia, especially A. eliator, having large evergreen leaves often striped with white, and grown as a houseplant.
  • castanospermine — a substance obtained from the Australian chestnut or black bean tree
  • catastrophising — Present participle of catastrophise.
  • catastrophizing — Present participle of catastrophize.
  • cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
  • cephalothoracic — the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
  • chartophylacium — (in a medieval church) a place for the keeping of records and documents.
  • chemolithotroph — Chemoautotroph.
  • chemoprevention — the prevention of disease, esp cancer, by means of chemical agents
  • chemopsychiatry — the study and application of chemical substances in psychiatry
  • chief inspector — an officer of high rank in British police forces
  • chimney-pot hat — a high silk hat; top hat.
  • chiropterophily — Pollination by bats.
  • chromatographic — (analytical chemistry) Of or pertaining to chromatography.
  • chromium-plated — having been plated with chromium
  • cinematographed — a motion-picture projector.
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