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trachea

(Encyclopedia)trachea trāˈkēə [key] or windpipe, principal tube that carries air to and from the lungs. It is about 41⁄2 in. (11.4 cm) long and about 3⁄4 in. (1.9 cm) in diameter in the adult. It extends fr...

Thule , town, Greenland

(Encyclopedia)Thule känäkˈ [key], town (1995 pop. 627), N Greenland, on the north side of Inglefield Gulf. The name of Thule was originally attached to the main settlement for the Thule Eskimos, founded in 1910 ...

psychrometer

(Encyclopedia)psychrometer sīkrŏmˈĭtər [key], one of many instruments used for measuring the water vapor content or relative humidity of the atmosphere. It consists of two identical thermometers—the wet-bulb...

Manchuria

(Encyclopedia)Manchuria măncho͝orˈēə [key], Mandarin Dongbei sansheng [three northeastern provinces], region, c.600,000 sq mi (1,554,000 sq km), NE China. It is officially known as the Northeast. Manchuria is ...

Dover, cities, United States

(Encyclopedia)Dover. 1 City (2020 pop. 39,403), state capital, and seat of Kent co., central Del., on the St. Jones River; founded 1683 on orders of William ...

firefly

(Encyclopedia)firefly or lightning bug, small, luminescent, carnivorous beetle of the family Lampyridae. Fireflies are well represented in temperate regions, although the majority of species are tropical and subtro...

lungs

(Encyclopedia)lungs, elastic organs used for breathing in vertebrate animals, excluding most fish, which use gills, and a few amphibian species that respire through the skin. The word is sometimes applied to the re...

Archimedes' principle

(Encyclopedia)Archimedes' principle, principle that states that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. The principle applies to both floating and submerged bo...

Ellenborough, Edward Law, 1st earl of

(Encyclopedia)Ellenborough, Edward Law, 1st earl of ĕlˈənbûrˌə [key], 1790–1871, British statesman; son of the 1st Baron Ellenborough. He served as president of the Board of Control of the East India Compan...

Goldie, Sir George

(Encyclopedia)Goldie, Sir George (George Goldie Taubman), 1846–1925, British colonial administrator, b. Isle of Man. Goldie entered the Niger River trade in the 1870s, and his company soon dominated trade on the ...