13-letter words containing d, y, f
- oxford theory — the theory attributing the authorship of Shakespeare's plays to Edward de Vere, Earl of Oxford, 1550–1604.
- playing field — an expanse of level ground, as in a park or stadium, where athletic events are held.
- refundability — to give back or restore (especially money); repay.
- safety device — A safety device is a piece of equipment such as a fire extinguisher, safety belt, or burglar alarm that reduces loss or damage from a fire, accident, or break-in.
- safety island — an area provided for the safety of pedestrians from vehicular traffic, as between lanes on a busy street or highway.
- sandfly fever — a usually mild viral disease occurring in hot, dry areas, characterized by fever, eye pain, and sometimes a rash, transmitted by sandflies of the genus Phlebotomus.
- self-advocacy — the practice of having mentally handicapped people speak for themselves and control their own affairs, rather than having nonhandicapped people automatically assume responsibility for them
- self-analyzed — having undergone self-analysis.
- self-deifying — to make a god of; exalt to the rank of a deity; personify as a deity: to deify a beloved king.
- self-employed — earning one's living directly from one's own profession or business, as a freelance writer or artist, rather than as an employee earning salary or commission from another.
- self-identify — identify (defs 7, 8): to self-identify as gay; to self-identify with others in the same situation.
- self-identity — the identity or consciousness of identity of a thing with itself.
- send away for — order by post
- spiny dogfish — any of several dogfish sharks of the genus Squalus, having a spine in front of each of the two dorsal fins, especially S. acanthias, inhabiting Atlantic coastal waters.
- stuffed dummy — someone who says or does nothing and is generally inanimate and characterless
- sulfapyridine — a sulfanilamide derivative, C 1 1 H 1 1 N 3 O 2 S, formerly used for infections caused by pneumococci, now used primarily for a particular dermatitis.
- superfluidity — a fluid that exhibits frictionless flow, very high heat conductivity, and other unusual physical properties, helium below 2.186 K being the only known example.
- takeaway food — food which is ordered and made in a restaurant and is then taken away to be eaten at home or elsewhere
- typhoid fever — Also called typhoid fever. an infectious, often fatal, febrile disease, usually of the summer months, characterized by intestinal inflammation and ulceration, caused by the typhoid bacillus, which is usually introduced with food or drink.
- unqualifiedly — not qualified; not fit; lacking requisite qualifications: unqualified for the job.
- unsteadfastly — in an unsteadfast manner
- unthriftyhead — thriftlessness
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- wolffian body — the mesonephros.