16-letter words containing a, c, l, y, p
- sleep-wake cycle — Physiology. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
- 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.
- speech pathology — the scientific study and treatment of defects, disorders, and malfunctions of speech and voice, as stuttering, lisping, or lalling, and of language disturbances, as aphasia or delayed language acquisition.
- 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.
- the-card-players — a painting (1892) by Paul Cézanne.
- 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.