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Mongolia, country, Asia

(Encyclopedia)CE5 Mongolia mŏn-gōˈlēə, mŏng– [key], republic (2015 est. pop. 2,977,000), 604,247 sq mi (1,565,000 sq km), N central Asia; historically known as Outer Mongolia. Bordered on the west, south...

Berlin, city, Germany

(Encyclopedia)Berlin bûrˌlĭnˈ, Ger. bĕrlēnˈ [key], city (2021 est. pop. 3,567,000), capital ...

Rhode Island, state, United States

(Encyclopedia)CE5 Rhode Island, smallest state in the United States, located in New England; bounded by Massachusetts (N and E), the Atlantic Ocean (S), and Connecticut (W). Until well into the 20th cent. ...

internal-combustion engine

(Encyclopedia)CE5 Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed on the up-strok...

Montana

(Encyclopedia)CE5 Montana mŏntănˈə [key], Rocky Mt. state in the NW United States. It is bounded by North Dakota and South Dakota (E), Wyoming (S), Idaho (W), and the Canadian provinces of British Columbia, ...

New Hampshire

(Encyclopedia)CE5 New Hampshire, one of the New England states of the NE United States. It is bordered by Massachusetts (S), Vermont, with the Connecticut River forming the boundary (W), the Canadian province of...

Nebraska

(Encyclopedia)CE5 Nebraska nəbrăsˈkə [key], Great Plains state of the central United States. It is bordered by Iowa and Missouri, across the Missouri River (E), Kansas (S), Colorado (SW), Wyoming (NW), and S...

Latvia

(Encyclopedia)CE5 Latvia lătˈvēə [key], Latvian Latvija, officially Republic of Latvia, republic (2015 est. pop. 1,993,000), 24,590 sq mi (63,688 sq km), north central Europe. It borders on Estonia in the no...

Bosnia and Herzegovina

(Encyclopedia)CE5 Bosnia and Herzegovina bŏzˈnēə, hĕrtsəgōvēˈnə [key], Serbo-Croatian ...

solar system

(Encyclopedia)CE5 Solar system CE5 solar system, the sun and the surrounding planets, natural satellites, dwarf planets, asteroids, meteoroids, and comets that are bound by its gravity. The sun is by far the ...