23-letter words containing a, b, l, o, t, n
- rate-of-climb indicator — a flight instrument that indicates the rate of climb or descent of an aircraft.
- relative sunspot number — a number indicating the degree of sunspot activity on the sun as a factor of observer idiosyncrasies, the number of sunspot groups, and the number of individual sunspots.
- retrolental fibroplasia — an unusual eye disease occurring in premature infants, usually from being given high concentrations of oxygen, which causes abnormal formation of fibrous tissue behind the lens and often results in blindness.
- rocky mountain beeplant — a rank-smelling plant, Cleome serrulata, of the caper family, native to the western U.S., having showy, dense clusters of pink or white flowers, frequented by bees.
- rolling-element bearing — a roller bearing or ball bearing.
- saddle block anesthesia — a form of spinal anesthesia that produces loss of sensation in the buttocks, perineum, and inner thighs.
- separation of variables — a grouping of the terms of an ordinary differential equation so that associated with each differential is a factor consisting entirely of functions of the independent variable appearing in the differential.
- short-billed marsh wren — sedge wren.
- silicone breast implant — silicone filled bags that are implanted into a woman in order to increase the size of her breasts
- straight bill of lading — a bill of lading that is issued to a specified consignee for the delivery of the goods and that cannot be endorsed to another party.
- sustainable development — supporting economy via renewable resources
- symbolic interactionism — a theory that human interaction and communication is facilitated by words, gestures, and other symbols that have acquired conventionalized meanings.
- the library of congress — the official library of the United States in Washington, DC. It houses extensive collections in all subject areas and formats, important historical documents, and is also a depository for copyrighted materials.
- to call someone's bluff — If you call someone's bluff, you tell them to do what they have been threatening to do, because you are sure that they will not really do it.
- to have feelings for sb — to be emotionally or sexually attracted to
- to hell in a handbasket — to one's doom
- trans-siberian railroad — a railroad traversing Siberia, from Chelyabinsk in the Ural Mountains to Vladivostok: constructed by the Russian government 1891–1916. over 4000 miles (6440 km) long.
- trials and tribulations — difficult experiences
- united states of brazil — former official name of Brazil.
- variable contrast paper — printing paper in which the contrast of the image is controlled by the color of the printing light.
- vestibulocochlear nerve — either one of the eight pairs of cranial nerves that supply the cochlea and semicircular canals of the internal ear and contribute to the sense of hearing