13-letter words containing r, e, a, c, o
- alveolar arch — the part of the upper or lower jawbone in which the teeth are set.
- amarantaceous — amaranthine
- american aloe — century plant
- american bond — a brickwork bond having a course of headers between five or six courses of stretchers.
- american fork — a town in central Utah.
- amphotericins — Plural form of amphotericin.
- anaerobically — (of an organism or tissue) living in the absence of air or free oxygen.
- anchor pocket — a recess in the bow of a vessel, for housing a stockless anchor.
- anchorpersons — Plural form of anchorperson.
- andean condor — either of two large, New World vultures of the family Cathartidae, Gymnogyps californianus (California condor) or Vultur gryphus (Andean condor) the largest flying birds in the Western Hemisphere: the California condor is almost extinct; the Andean condor is greatly reduced in number and rare in many areas.
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- androdioecism — the state of being androdioecious
- anise camphor — anethole.
- anisometropic — relating to anisometropia
- anno hebraico — A.H.
- another place — the other House of Parliament (used in the House of Commons to refer to the House of Lords and vice versa)
- anthropogenic — relating to anthropogenesis
- anticorporate — opposed to the activities or practices of big business
- anticorrosive — preventing corrosion
- antielectrons — Plural form of antielectron.
- antirecession — acting against recession
- antirejection — acting to prevent the rejection of a transplanted organ
- antiresonance — a phenomenon in an electric, acoustic, or other such system in which the impedance is tending to infinity.
- aperiodically — In an aperiodic way.
- apheliotropic — growing in a direction away from the sunlight
- apicoalveolar — articulated with the tip of the tongue in contact with or in approximation to the alveolar ridge.
- apoplectiform — of or resembling apoplexy or stroke.
- appeals court — An appeals court is the same as an appellate court.
- apperceptions — Plural form of apperception.
- apple orchard — an orchard planted with apple trees
- apple-knocker — Northern U.S. a rustic.
- appreciations — Plural form of appreciation.
- approval code — An approval code is a PIN or other verification code needed to authorize a payment going through the cash register.
- arachnephobia — Misspelling of arachnophobia.
- araeometrical — relating to araeometry
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaelogical — Nonstandard spelling of archaeological.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- archaeologian — (archaic) An archaeologist.
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archaeometric — relating to archaeometry
- archaeopteryx — any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers
- archaezoology — the analysis and interpretation of animal remains found at archaeological sites
- archeological — of or relating to archaeology.
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archipelagoes — Plural form of archipelago.
- architectonic — denoting, relating to, or having architectural qualities
- aristocracies — Plural form of aristocracy.