16-letter words containing a, p, i, c, l, y
- polyvinyl acetal — any of the class of thermoplastic resins derived by the condensation of an aldehyde with polyvinyl alcohol.
- post-apocalyptic — of or like an apocalypse; affording a revelation or prophecy.
- primary election — primary (def 15a).
- primary electron — in thermionics, any of the electrons falling on a body, distinguished from those emitted by it
- programmatically — by using a computer program: You can set the value in each field programmatically with a simple algorithm. The background shapes can be programmatically drawn and animated.
- prophylactically — defending or protecting from disease or infection, as a drug.
- propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
- psychoanalytical — a systematic structure of theories concerning the relation of conscious and unconscious psychological processes.
- psychobiological — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- ptolemaic system — a system elaborated by Ptolemy and subsequently modified by others, according to which the earth was the fixed center of the universe, with the heavenly bodies moving about it.
- publicity agency — an advertising agency; a firm that gets publicity for people or products
- pyramidal orchid — a chalk-loving orchid, Anacamptis pyramidalis, bearing a dense cone-shaped spike of purplish-pink flowers with a long curved spur
- pyruvic aldehyde — a yellow, liquid compound, C 3 H 4 O 2 , containing both an aldehyde and a ketone group, usually obtained in a polymeric form: used chiefly in organic synthesis.
- quasi-compulsory — required; mandatory; obligatory: compulsory education.
- radiographically — the production of radiographs.
- republican party — one of the two major political parties in the U.S.: originated 1854–56.
- restriction play — a limited number of opening moves that are predetermined by their chance selection from an accepted list.
- rhynchocephalian — belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
- single occupancy — a type of travel accommodation, as at a hotel, for one person in a room.
- social pathology — a social factor, as poverty, old age, or crime, that tends to increase social disorganization and inhibit personal adjustment.
- special delivery — (in the U.S. Postal Service) delivery of mail outside the regularly scheduled hours, by a special messenger, upon the payment of an extra fee.
- stonecrop family — the plant family Crassulaceae, characterized by succulent herbaceous plants and shrubs with simple, fleshy leaves, clusters of small flowers, and dry, dehiscent fruit, and including hen-and-chickens, houseleek, kalanchoe, live-forever, orpine, sedum, and stonecrop.
- thermoplasticity — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- tropical cyclone — a cyclone that originates over a tropical ocean area and can develop into the destructive storm known in the U.S. as a hurricane, in the western Pacific region as a typhoon, and elsewhere by other names. Compare extratropical cyclone, hurricane (def 1), willy-willy.
- typhoid bacillus — the bacterium Salmonella typhosa, causing typhoid fever.
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- unpredictability — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- videodisc player — an electronic device for playing videodiscs through a television set.
- yah-boo politics — adversarial politics in which politicians constantly deride their opponents and dismiss everything suggested by them
- yellow poinciana — royal poinciana.