Englishfor English speakers
mir
noun
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A Russian village community.
Mir
properNoun
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A Soviet, later Russian space station.
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an international space station
castle
Noun
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A castle is a large, strong building used to protect the people inside.
In the Middle Ages, castles were used to protect the king and queen.
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In chess, the castle is another name for the rook.
castle
Verb
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In chess, to castle is to take a turn that involves both the rook and the king moving at once.
I was going to win if he hadn't decided to castle.
complex
Adjective
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If something is complex, it has lots of parts or pieces, or is difficult to understand.
He has constructed a complex computer system to send translated messages between humans and dolphins.
A complex problem that we face today is poverty, especially in Africa.
complex
Noun
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A problem.
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A group of buildings with a common purpose, such as a university or military base.
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A psychologically based dislike or fear of a particular thing.
Jim has a complex about working for a woman boss.
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A thunderstorm that forms when two storm fronts collide.
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A structure with a central atom or molecule that has a weak connection to atoms or molecules around it.