13-letter words containing e, c, h, o, a, r
- oceanographic — the branch of physical geography dealing with the ocean.
- off the track — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
- on the carpet — a heavy fabric, commonly of wool or nylon, for covering floors.
- orchard valve — an alfalfa valve of lesser diameter than the pipe it closes.
- orchesography — a written study of dancing
- orchestra pit — musicians' seating in front of stage
- orchestra-pit — a group of performers on various musical instruments, including especially stringed instruments of the viol class, clarinets and flutes, cornets and trombones, drums, and cymbals, for playing music, as symphonies, operas, popular music, or other compositions.
- orchestralist — a person who writes or arranges orchestral music
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- orchestrators — Plural form of orchestrator.
- orthocephalic — having a medium or intermediate relation between the height of the skull and the breadth or length.
- orthoepically — In terms of correct pronunciation.
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- orthosilicate — a silicate mineral
- outreach work — work (done by welfare workers, volunteers, etc) designed to help and encourage disadvantaged members of the community
- over-achiever — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- overachievers — Plural form of overachiever.
- overachieving — Present participle of overachieve.
- oystercatcher — any of several long-billed wading birds of the genus Haematopus that have chiefly black-and-white plumage and that feed on oysters, clams, mussels, etc.
- parencephalon — a cerebral hemisphere
- parthenocarpy — the production of fruit without fertilization of an egg in the ovary.
- peacock chair — a wicker armchair with a high, circular back.
- perchlorinate — to combine with the maximum proportion of chlorine.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- pharmacopoeia — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- pharyngectomy — excision of part or all of the pharynx.
- pharyngoscope — an instrument for inspecting the pharynx.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- photoallergic — photosensitive.
- photoreaction — a chemical reaction that involves or requires light.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- piano teacher — tutor of piano-playing
- poker machine — a fruit machine
- powder charge — propellant (def 2).
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
- presto chango — change at once (usually used imperatively, as in a magician's command).
- prophetically — of or relating to a prophet: prophetic inspiration.
- protest march — public demonstration
- protochordate — any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
- psychobabbler — a person who uses psychobabble
- psychographer — a person who writes a psychograph; a psychological or psychographic biographer.
- psychotherapy — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- pyrotechnical — of or relating to pyrotechnics.
- radiochemical — pertaining to or involving radiochemistry.
- ragged school — (in Britain, formerly) a free elementary school for poor children
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- reach-me-down — a garment that is cheaply ready-made or second-hand