13-letter words containing c, a, o, d
- pseudo-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- pseudoaquatic — not aquatic but indigenous to moist regions.
- pseudoclassic — falsely or spuriously classic.
- 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.
- public domain — the status of a literary work or an invention whose copyright or patent has expired or that never had such protection.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadrilocular — having four compartments
- quadriphonics — quadraphony.
- quartodeciman — one of a group of early Christians who observed Easter on the day of the Jewish Passover regardless of whether or not it was Sunday
- quindecagonal — (geometry) Shaped like a quindecagon; fifteen-sided.
- quodlibetical — a subtle or elaborate argument or point of debate, usually on a theological or scholastic subject.
- radio compass — a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter.
- radio contact — communication or contact by means of radio waves
- radio control — remote control by means of radio signals from a transmitter
- radio silence — the absence, usually deliberately maintained, of radio transmissions
- radioactinium — the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days. Symbol: RdAc, Th 227.
- radioactivate — to make (a substance) radioactive.
- radioactivity — the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element.
- radiochemical — pertaining to or involving radiochemistry.
- radiolocation — the method or process of determining the position and velocity of an object by radar.
- radiopacities — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- ragged school — (in Britain, formerly) a free elementary school for poor children
- random access — designating or of a volatile memory that allows data to be accessed directly and does not require following a sequence of storage locations
- random-access — direct-access.
- reach-me-down — a garment that is cheaply ready-made or second-hand
- recommendable — to present as worthy of confidence, acceptance, use, etc.; commend; mention favorably: to recommend an applicant for a job; to recommend a book.
- recommendably — in a way that is recommendable
- reconsecrated — to make or declare sacred; set apart or dedicate to the service of a deity: to consecrate a new church building.
- reconsolidate — to bring together (separate parts) into a single or unified whole; unite; combine: They consolidated their three companies.
- record dealer — a person who buys and sells vinyl records
- record player — phonograph.
- recording van — a van containing sound and image recording equipment, used as a mobile recording studio
- redcloud peak — a mountain in SW Colorado, in the San Juan Mountains, in the S Rocky Mountains. 14,034 feet (4278 meters).
- redondo beach — a city in SW California.
- reduplication — the act of reduplicating; the state of being reduplicated.
- retinoic acid — a vitamin A derivative, C20H28O2, used in the treatment of acne, skin wrinkles, etc.
- revendication — the process or act of revendicating
- revindication — the act of vindicating.
- road accident — a traffic accident involving vehicles, pedestrians or cyclists
- road-blocking — an obstruction placed across a road, especially of barricades or police cars, for halting or hindering traffic, as to facilitate the capture of a pursued car or inspection for safety violations.
- robot dancing — a dance of the 1980s characterized by jerky mechanical movements
- rock and roll — a style of popular music that derives in part from blues and folk music and is marked by a heavily accented beat and a simple, repetitive phrase structure.
- rock-and-roll — a style of popular music that derives in part from blues and folk music and is marked by a heavily accented beat and a simple, repetitive phrase structure.
- rock-fill dam — a dam built mainly of rocks of various sizes fitted compactly together.
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- rolled collar — a collar that stands up slightly from the point of attachment to the neckline of a garment before folding over to lie flat.
- romantic lead — a person who plays the main character in a romantic film or play
- royal academy — a society founded in 1768 by George III of England for the establishment of a school of design and the holding of an annual exhibition of the works of living artists.
- sacerdotalism — the system, spirit, or methods of the priesthood.