13-letter words containing a, s, o, d
- predestinator — a person or thing that predestinates something.
- prediagnostic — of, relating to, or used in diagnosis.
- prison warder — an officer in charge of prisoners in a jail
- promised land — Heaven.
- pros and cons — The pros and cons of something are its advantages and disadvantages, which you consider carefully so that you can make a sensible decision.
- prostaglandin — Biochemistry. any of a class of unsaturated fatty acids that are involved in the contraction of smooth muscle, the control of inflammation and body temperature, and many other physiological functions.
- prosthodontia — the branch of dentistry that deals with the restoration and maintenance of oral function by the replacement of missing teeth and other oral structures by artificial devices.
- provost guard — a detachment of soldiers assigned to police duties under the provost marshal.
- 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.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadrifarious — having four parts
- quadriphonics — quadraphony.
- radiationless — not emitting or producing radiation
- radio compass — a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter.
- radio silence — the absence, usually deliberately maintained, of radio transmissions
- radio station — station (def 8).
- 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
- raison d'etat — a purely political reason for governmental action, based on the national interest and often violating principles of justice.
- raison d'etre — reason or justification for being or existence: Art is the artist's raison d'être.
- 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 sample — a statistical sample that is devised to avoid interference so that its distribution is affected only by, and so can be held to represent, that of the whole population
- random-access — direct-access.
- read a lesson — to censure or reprimand, esp in a long-winded manner
- 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.
- redemonstrate — to make evident or establish by arguments or reasoning; prove: to demonstrate a philosophical principle.
- redesignation — an act of designating.
- regardless of — in spite of
- rhodesian man — an extinct Pleistocene human whose cranial remains were found at Kabwe, in Zambia: formerly in some classifications Homo rhodesiensis but now considered archaic Homo sapiens.
- road surveyor — a person who does surveying work for road building
- robben island — a small island in South Africa, 11 km (7 miles) off the Cape Peninsula: formerly used by the South African government to house political prisoners
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- roger-ducasse — Jean Jules Amable [zhahn zhyl a-ma-bluh] /ʒɑ̃ ʒül aˈma blə/ (Show IPA), 1873–1954, French composer.
- roosevelt dam — a dam on the Salt River, in central Arizona. 284 feet (87 meters) high; 1080 feet (329 meters) long.
- rose d'anvers — a gem having a rose cut of 12 or fewer facets.
- rose mandarin — (in the Chinese Empire) a member of any of the nine ranks of public officials, each distinguished by a particular kind of button worn on the cap.
- saber-toothed — having long, saberlike upper canine teeth, sometimes extending below the margin of the lower jaw.
- sacerdotalism — the system, spirit, or methods of the priesthood.
- sacerdotalize — to submit (something) to sacerdotalism
- 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 baboon — hamadryas baboon.
- sacred bamboo — nandina.
- saddle oxford — saddle shoe.
- 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.