11-letter words containing a, d, i, p, o
- praecordial — of or pertaining to a part of the body near or in front of the heart; located near to or in front of the heart
- prairie dog — any of several burrowing rodents of the genus Cynomys, of North American prairies, having a barklike cry: some are endangered.
- prajadhipok — 1893–1941, king of Siam 1925–35.
- pre-diploma — a document given by an educational institution conferring a degree on a person or certifying that the person has satisfactorily completed a course of study.
- pre-holiday — a day fixed by law or custom on which ordinary business is suspended in commemoration of some event or in honor of some person.
- preadmonish — to admonish or warn beforehand
- preboarding — to put or allow to go aboard in advance of the usual time or before others: Passengers with disabilities will be preboarded.
- predication — to proclaim; declare; affirm; assert.
- predicatory — of or relating to preaching.
- predisposal — to give an inclination or tendency to beforehand; make susceptible: Genetic factors may predispose human beings to certain metabolic diseases.
- predominant — having ascendancy, power, authority, or influence over others; preeminent.
- predominate — to be the stronger or leading element or force.
- preordained — to ordain beforehand; foreordain.
- prima donna — a first or principal female singer of an opera company.
- prison yard — a piece of enclosed ground attached to a prison, where prisoners may take exercise at certain times
- prodigality — the quality or fact of being prodigal; wasteful extravagance in spending.
- prodigalize — to spend lavishly
- promenading — a stroll or walk, especially in a public place, as for pleasure or display.
- prothalloid — resembling a prothallus
- pseudologia — a psychological condition in which a patient tells elaborate, false stories believing them to be true
- pseudopodia — pseudopod.
- psychodelia — the production of, or the culture associated with, psychedelic experiences
- put paid to — to end or destroy
- pyrovanadic — of or relating to an acid of vanadium
- quadripoint — A point at which four borders meet.
- radiography — the production of radiographs.
- radiopacity — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radiophonic — a radiotelephone.
- radix point — a point, such as the decimal point in the decimal system, separating the integral part of a number from the fractional part
- reappointed — to name or assign to a position, an office, or the like; designate: to appoint a new treasurer; to appoint a judge to the bench.
- repudiation — the act of repudiating.
- repudiatory — the act of repudiating.
- rhapsodical — extravagantly enthusiastic; ecstatic.
- ropedancing — the act of dancing on a rope
- safe period — an interval of the menstrual cycle when fertilization is considered to be least likely, usually a number of days prior and subsequent to the onset of menstruation.
- sapphic ode — Horatian ode.
- sauropsidan — relating to the Sauropsida or animals belonging to the Sauriodea group in Huxley's classification
- schizopodal — pertaining to a split-foot or appendage
- scorpaenoid — resembling or related to the family Scorpaenidae.
- sideropenia — a lack of iron in the body
- soda siphon — fizzy water dispenser
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spodomantic — relating to spodomancy
- sporadicity — (of similar things or occurrences) appearing or happening at irregular intervals in time; occasional: sporadic renewals of enthusiasm.
- springboard — a flexible board, projecting over water, from which divers leap or spring.
- tetraploidy — having a chromosome number that is four times the basic or haploid number.
- tidal power — the use of the rise and fall of tides involving very large volumes of water at low heads to generate electric power
- trapezoidal — Geometry. a quadrilateral plane figure having two parallel and two nonparallel sides. British. trapezium (def 1b).
- trepidation — tremulous fear, alarm, or agitation; perturbation.
- trepidatory — characterized by trepidation