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10-letter words containing o, p, e, r

  • approvance — approval
  • approvedly — So as to secure approbation; in an approved manner.
  • apterygote — belonging or pertaining to the Apterygota, a subclass of primitive wingless insects that undergo little or no metamorphosis.
  • archespore — the cell or group of cells in a sporangium that gives rise to spores
  • archipenko — Aleksandr Porfiryevich (alɪkˈsandr parˈfirjɪvitʃ). 1887– 1964, Russian sculptor and painter, in the US after 1923, whose work is characterized by economy of form
  • arctophile — a person who collects teddy bears or is fond of them
  • area opaca — the opaque area of the blastoderm surrounding the area pellucida.
  • areography — the description of the physical features, such as the surface, atmosphere, etc, of the planet Mars
  • areopagite — a member of the Areopagus, a judicial council of ancient Athens that met on the hill of that name
  • aristotype — a process of photographic printing in which paper coated with silver chloride in gelatin is used.
  • armipotent — strong in arms or war
  • arpeggione — a stringed musical instrument of the early 19th century which was played with a bow
  • ascospores — Plural form of ascospore.
  • asperation — The act of asperating; a making or becoming rough.
  • aspersions — disparaging or malicious remarks; slanderous accusations
  • aspersoria — Plural form of aspersorium.
  • atmosphere — A planet's atmosphere is the layer of air or other gases around it.
  • atropatene — Media Atropatene.
  • attoparsec — (unit, humour)   About 31 mm (one inch). "atto-" is the standard SI prefix for multiplication by 10^-18. A parsec (parallax-second) is 3.26 light-years; an attoparsec is thus 3.26 * 10^-18 light years. Thus, one attoparsec per microfortnight is about one inch per second. This unit is reported to be in use (though probably not very seriously) among hackers in the UK.
  • auriscopes — Plural form of auriscope.
  • autorepeat — Any feature that repeats an action automatically.
  • auxospores — Plural form of auxospore.
  • azeotropes — Plural form of azeotrope.
  • azygospore — a thick-walled spore produced by parthenogenesis in certain algae and fungi
  • barbershop — Barbershop is a style of singing where a small group of people, usually men, sing in close harmony and without any musical instruments accompanying them.
  • bargepoles — Plural form of bargepole.
  • baroceptor — Baroreceptor.
  • barpersons — Plural form of barperson.
  • baseperson — (baseball, softball) A fielder (of either gender) positioned near a base.
  • beechdrops — a North American flowering plant, Epifagus virginiana, which is parasitic on beech trees
  • beg-pardon — an expression of apology (used especially in the phrase with no beg-pardons).
  • bellperson — a bellhop.
  • billposter — a person who is employed to stick advertising posters to walls, fences, etc
  • biographee — a person whose biography has been written
  • biographer — Someone's biographer is a person who writes an account of their life.
  • biopolymer — a large molecule in a living organism
  • bioprocess — a method or operation of preparing a biological material, especially a product of genetic engineering, for commercial use.
  • biospheric — relating to the biosphere
  • biotherapy — the treatment of disease by means of substances, as serums, vaccines, penicillin, etc., secreted by or derived from living organisms
  • bipolarize — to make bipolar
  • bladderpod — any of several plants belonging to the genera Alyssoides and Lesquerella, of the mustard family, having inflated seed pods.
  • blastopore — the opening of the archenteron in the gastrula that develops into the anus of some animals
  • boarded-up — with windows and doors covered with boards for security
  • body press — a hold in which a wrestler places full body weight on a supine opponent in trying to pin the opponent's shoulders to the mat.
  • bodyshaper — an undergarment which flattens the stomach, bottom etc
  • bond paper — a superior quality of strong white paper, used esp for writing and typing
  • book price — the value of a car as defined by the manufacturers or other accredited organization
  • bookkeeper — A bookkeeper is a person whose job is to keep an accurate record of the money that is spent and received by a business or other organization.
  • borah peak — a mountain in central Idaho, in the Lost River Range: highest peak in Idaho. 12,662 feet (3861 meters).
  • box supper — a social gathering, as at a church, at which box lunches donated by women are auctioned off to raise funds
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