13-letter words containing a, p, r, o, s, d
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- radio compass — a radio receiver with a directional antenna for determining the bearing of the receiver from a radio transmitter.
- radiopacities — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- 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
- sachet-powder — a small bag, case, or pad containing perfuming powder or the like, placed among handkerchiefs, lingerie, etc., to impart a pleasant scent.
- second papers — the documents by which an alien formerly made application for U.S. citizenship after having earlier filed a declaration of intention
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- soapbox derby — a race between children in homemade racing carts
- solar-powered — powered by heat radiation from the sun converted into electrical power
- somar dumpacl — (tool) A utilty which provides a concise report of Windows NT file system permissions, to help find holes in system security.
- spadicifloral — having flowers borne on a spadix
- special order — A special order is an extra order or an order for an item specially requested by a customer.
- special-order — to obtain by specific individual order: to special-order a dining-room chandelier.
- sporting lady — a prostitute.
- spotted adder — milk snake.
- spotted crake — a Eurasian rail, Porzana porzana, of swamps and marshes, having a buff speckled plumage and dark brown wings
- spread option — spread (def 25b).
- spring-loaded — (of a machine part) kept normally in a certain position by a spring: a spring-loaded safety valve.
- springboarded — a flexible board, projecting over water, from which divers leap or spring.
- standing crop — the totality of living things in an ecosystem at a given time.
- strophiolated — having strophioles, caruncles
- superdiplomat — a highly skilled or powerful diplomat, a high-ranking diplomat
- superdominant — submediant.
- superordinary — that is superior to the ordinary
- superordinate — of higher degree in condition or rank.
- transportedly — in a passionate or rapturous manner
- vagodepressor — decreasing or mimicking the decrease of the activity of the vagus nerve.
- waste product — material discarded as useless in the process of producing something.
- weapons-grade — Weapons-grade substances such as uranium or plutonium are of a quality which makes them suitable for use in the manufacture of nuclear weapons.