11-letter words containing a, t, p, o
- prone float — a prone floating position, used especially by beginning swimmers, with face downward, legs extended backward, and arms stretched forward.
- proof stage — the stage of publishing where trial impressions made from composed type, or print-outs (from a laser printer, etc) are read for the correction of errors
- propagation — the act of propagating.
- propagative — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- propagatory — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- prophetical — of or relating to a prophet: prophetic inspiration.
- propitiator — to make favorably inclined; appease; conciliate.
- proprietary — belonging to a proprietor.
- prorogation — to discontinue a session of (the British Parliament or a similar body).
- pros. atty. — prosecuting attorney
- prostatitis — inflammation of the prostate gland.
- prostomiate — having a prostomium.
- prostrating — to cast (oneself) face down on the ground in humility, submission, or adoration.
- prostration — the act of prostrating.
- protagonism — the leading character, hero, or heroine of a drama or other literary work.
- protagonist — the leading character, hero, or heroine of a drama or other literary work.
- protandrous — (of hermaphrodite or monoecious plants) maturing the anthers before the stigma
- protanomaly — a defect of vision characterized by a diminished response of the retina to red.
- protectable — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
- proteinuria — the presence of abnormally large amounts of protein in the urine, usually resulting from kidney disease but sometimes from fever, excessive exercise, or other abnormal condition.
- protestable — an expression or declaration of objection, disapproval, or dissent, often in opposition to something a person is powerless to prevent or avoid: a protest against increased taxation.
- prothalamia — a song or poem written to celebrate a marriage.
- prothallium — Botany. the gametophyte of ferns and related plants.
- prothalloid — resembling a prothallus
- prothoracic — relating to an insect's prothorax
- protococcal — of or relating to unicellular algae of the former genus Protococcus, one of which (renamed Pleurococcus vulgaris) is a green alga commonly found on trees, walls, etc
- protocolary — the customs and regulations dealing with diplomatic formality, precedence, and etiquette.
- protodeacon — a chief deacon in the Greek Church.
- protogalaxy — the large concentration of gas and dust from which a galaxy is formed.
- protomartyr — the first Christian martyr, Saint Stephen.
- protonation — the act of providing an atom, molecule, or ion with a proton
- protonemata — a primary, usually filamentous structure produced by the germination of the spore in mosses and certain related plants, and from which the leafy plant which bears the sexual organs arises as a lateral or terminal shoot.
- protonotary — prothonotary.
- protopathic — noting or pertaining to a general, nondiscriminating responsiveness to pain or temperature stimuli (opposed to epicritic).
- protoplanet — the collection of matter, in the process of condensation, from which a planet is formed.
- protractile — capable of being protracted, lengthened, or protruded.
- protraction — the act of protracting; prolongation; extension.
- protractive — to draw out or lengthen, especially in time; extend the duration of; prolong.
- protuberant — bulging out beyond the surrounding surface; protruding; projecting: protuberant eyes.
- protuberate — to bulge out, forming a rounded projection.
- provocateur — a person who provokes trouble, causes dissension, or the like; agitator.
- provocation — the act of provoking.
- provocative — tending or serving to provoke; inciting, stimulating, irritating, or vexing.
- provocatory — tending to provoke
- proximately — next; nearest; immediately before or after in order, place, occurrence, etc.
- proximation — next; nearest; immediately before or after in order, place, occurrence, etc.
- psammophyte — a plant that grows in sand or sandy soil.
- psittacosis — a rickettsial disease affecting birds of the parrot family, pigeons, and domestic fowl, caused by the chlamydia Chlamydia psittaci and transmissible to humans.
- psittacotic — of or relating to psittacosis
- psychopathy — a mental disorder in which an individual manifests amoral and antisocial behavior, lack of ability to love or establish meaningful personal relationships, extreme egocentricity, failure to learn from experience, etc.