13-letter words containing c, h, a, d
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- orchidomaniac — a person who is obsessed with or has a passion for orchids
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- pas de cheval — a step in which the dancer hops on one foot and paws the ground with the other.
- passchendaele — a village in NW Belgium, in West Flanders province: the scene of heavy fighting during the third battle of Ypres in World War I during which 245 000 British troops were lost
- phase encoded — (storage) (PE) A recording method used for 1600 BPI magnetic tapes. Compare NRZI, GCR.
- phenylic acid — phenol (def 1).
- photodynamics — the science dealing with light and its effects on living organisms.
- phthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- phyllocladous — having phylloclades.
- picardy third — a major third in the final tonic chord of a composition written in a minor key.
- playback head — the part of a tape recorder that is used to pick up the magnetic pattern on tape in order to play back material previously recorded.
- powder charge — propellant (def 2).
- protochordate — any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- radical right — the faction representing extreme right-wing political views; ultraconservatives; reactionaries.
- radiochemical — pertaining to or involving radiochemistry.
- ragged school — (in Britain, formerly) a free elementary school for poor children
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- reach-me-down — a garment that is cheaply ready-made or second-hand
- reading chair — a chair of the 18th century having an adjustable reading stand attached to the back and a crest rail extending forward on both sides to form armrests, designed to be sat on facing the back.
- redondo beach — a city in SW California.
- richard petty — Richard, born 1937, U.S. racing-car driver.
- sachet-powder — a small bag, case, or pad containing perfuming powder or the like, placed among handkerchiefs, lingerie, etc., to impart a pleasant scent.
- sacred thread — a cord worn by Hindus of the three upper castes as a sign of being twice-born or initiated into the Vedas.
- saddle-stitch — to sew, bind, or decorate with a saddle stitch.
- sadomasochism — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- sadomasochist — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- sand-yachting — the sport of riding in a sand yacht
- sandwich beam — flitch beam.
- sandwich cake — a cake that is made up of two or more layers with a jam or other filling
- sandwich coin — a coin having a layer of one metal between outside layers of another, as a quarter with a layer of copper between layers of silver.
- sandwich loaf — a loaf of the type of soft white sliced bread often used to make sandwiches
- sandwich tern — a European tern, Sterna sandvicensis, that has a yellow-tipped bill, whitish plumage, and white forked tail, and nests in colonies on beaches, etc
- scabbard fish — any of several marine fishes having a long, compressed, silvery body, especially a cutlassfish, Trichiurus lepturus, of the western Atlantic.
- scalenohedral — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.
- scalenohedron — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.
- scandal sheet — a newspaper or magazine that emphasizes scandal or gossip.
- schadenfreude — satisfaction or pleasure felt at someone else's misfortune.
- scratch video — the technique or practice of recycling images from films or television to make collages
- scratchpad ii — See Scratchpad I, AXIOM.
- seed merchant — someone that collects, packages and sells seeds
- semi-attached — partially attached; semidetached.
- semi-detached — partly detached.
- shadowcasting — the enhancement of images by the casting of shadows
- shaft encoder — A shaft encoder is a sensor for measuring how fast a shaft rotates.
- shaped charge — a warhead having a concave, hollow end and operating on the Munroe effect.
- ship chandler — a person who deals in cordage, canvas, and other supplies for ships.