12-letter words containing d, r, o, p, i, n
- pyridoxamine — a metabolic form of pyridoxine
- pyritohedron — a crystal form of 12 pentagonal faces.
- quadraphonic — of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording.
- quadriphonic — quadraphonic.
- quadrophonic — Alternative spelling of quadraphonic.
- radiophonist — a person who produces radiophonic music
- railroad pen — a ruling pen for drawing two parallel lines.
- readaptation — the act of adapting.
- redemptioner — an emigrant from Europe to America who obtained passage by becoming an indentured servant for a specified period of time.
- reproduction — the act or process of reproducing.
- respondentia — a loan upon a ship's cargo, which is repaid with interest if the ship reaches its destination, and if the ship does not, the loan is not repaid
- road pricing — Road pricing is a system of making drivers pay money for driving on certain roads by electronically recording the movement of vehicles on those roads.
- scolopendrid — any myriapod of the order Scolopendrida, including many large, poisonous centipedes.
- scouring pad — a small pad, as of steel wool or plastic mesh, used for scouring pots, pans, etc.
- spinning rod — a flexible fishing rod, often made of fiberglass, used with a spinning reel.
- spinsterhood — Disparaging and Offensive. a woman still unmarried beyond the usual age of marrying.
- spiral-bound — having a spiral binding.
- spoil ground — an area within a body of water, especially in the sea, where dredged material is deposited.
- sporting dog — one of any of several breeds of usually large dogs especially suited by size and training for hunting by pointing, flushing, and retrieving game and including the pointers, setters, retrievers, and spaniels.
- sports drink — a drink containing sugar and salts, etc designed to help replace fluid and energy lost through the physical exertion of sport
- stride piano — a style of jazz piano playing in which the right hand plays the melody while the left hand plays a single bass note or octave on the strong beat and a chord on the weak beat, developed in Harlem during the 1920s, partly from ragtime piano playing.
- superkingdom — in some systems of biological classification, either of the two major subdivisions, prokaryote or eukaryote, into which all living organisms can be placed
- superordinal — relating to the superorder
- third person — the grammatical person used by the speaker of an utterance in referring to anyone or anything other than the speaker or the one (third person singular) or ones (third person plural) being addressed.
- top dressing — tennis court
- trading post — a store established in an unsettled or thinly settled region by a trader or trading company to obtain furs and local products in exchange for supplies, clothing, other goods, or for cash.
- trepidations — tremulous fear, alarm, or agitation; perturbation.
- tripudiation — the act of dancing for joy
- trypanocidal — (of a drug, agent, activity, etc) effective in killing trypanosomes
- twin paradox — a phenomenon predicted by relativity. One of a pair of identical twins is supposed to live normally in an inertial system whilst the other is accelerated to a high speed in a spaceship, travels for a long time, and finally returns to rest beside his twin. The travelled twin will be found to be younger than his brother
- underexploit — to make insufficient use of
- underpassion — an underlying or subconscious passion
- unimportuned — without being forced or impelled
- unimprisoned — not confined in a prison
- unpatronized — having few or no patrons
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unproductive — having the power of producing; generative; creative: a productive effort.
- unprohibited — to forbid (an action, activity, etc.) by authority or law: Smoking is prohibited here.
- unpropertied — owning property: the propertied class.
- unresponding — to reply or answer in words: to respond briefly to a question.
- unworshipped — not worshipped; not admired or revered
- video porn's — pornographic movies available on videocassette or optical disk, on the Internet, or on subscription television.