17-letter words containing d, i, a, l, o
- not bat an eyelid — When something surprising or shocking happens, if someone doesn't bat an eyelid in British English, or doesn't bat an eye in American English, they remain calm and do not show any reaction.
- nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
- occipital condyle — a protrusion on the occipital bone of the skull that forms a joint with the first cervical vertebra, enabling the head to move relative to the neck.
- old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
- online dictionary — a dictionary that is available on the Internet or World Wide Web and accessed through a Web browser using a computer or a mobile device, primarily by typing a query term into a search box on the site. Online dictionaries like Dictionary.com offer immediate, direct access through large databases to a word's spelling and meanings, plus a host of ancillary information, including its variant spellings, pronunciation, inflected forms, origin, and derived forms, as well as supplementary notes on matters of interest or concern about how the word is used: Some people think online dictionaries will make print dictionaries obsolete.
- organized militia — a former military organization functioning under both state and federal authority.
- overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
- paradoxical sleep — REM sleep.
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- periodical cicada — seventeen-year locust.
- personal distance — personal space.
- phenylformic acid — benzoic acid.
- phumiphon aduldet — (Phumiphon Aduldet; Bhumibol Adulyadej) born 1927, king of Thailand since 1946.
- platinic chloride — chloroplatinic acid.
- polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- police department — A police department is an official organization which is responsible for making sure that people obey the law.
- police procedural — a mystery novel, film, or television drama that deals realistically with police work.
- polyadenylic acid — a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA.
- post-and-rail tea — (in the 19th century) a coarse tea in which floating particles resembled a post-and-rail fence
- post-depositional — removal from an office or position.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
- potential divider — a resistor or series of resistors connected to a voltage source and used to provide voltages that are fractions of that of the source.
- product liability — the responsibility of a manufacturer for injury or loss caused by its product.
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- programming fluid — (jargon) (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- pseudo-biological — pertaining to biology.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-moralistic — a person who teaches or inculcates morality.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- pull your head in — be quiet!
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- quattuordecillion — a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.
- radial keratotomy — a surgical technique for correcting nearsightedness by making a series of spokelike incisions in the cornea to change its shape and focusing properties.
- radio alarm clock — an alarm clock which consists of a radio that can be set to play at a particular time
- radio in the loop — Wireless Local Loop
- radioluminescence — luminescence induced by nuclear radiation.
- rail detector car — a car equipped with special instruments and used to locate defects in rails.
- railroad crossing — place for vehicles to cross train tracks
- rat-tailed maggot — the aquatic larva of any of several syrphid flies of the genus Eristalis, that breathes through a long, thin tube at the posterior end of its body.
- reading knowledge — the ability to read a language, but not speak it
- recreational drug — drug taken for pleasure
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- revealed religion — religion based chiefly on the revelations of God to humans, especially as described in Scripture.
- rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
- rio grande do sul — a state in S Brazil. 107,923 sq. mi. (279,520 sq. km). Capital: Pôrto Alegre.