Englishfor English speakers
flexible
Adjective
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When something is flexible, it can bend.
The thin wood stick was so flexible that it would bend but not break.
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By extension, the word is used as a metaphor. For example, when a person or thing is flexible, they can change.
Jim was very flexible and enjoyed every new experience when he travelled.
I think we can make working hours much more flexible.
They used to treat everyone the same but now take a more flexible approach.
metal
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noun
(= metallic element)
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc
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adjective
(= metallic)
containing or made of or resembling or characteristic of a metal
a metallic compound
metallic luster
the strange metallic note of the meadow lark, suggesting the clash of vibrant blades
— Ambrose Bierce
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verb
cover with metal
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noun
(= alloy)
a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten
brass is an alloy of zinc and copper
tube
Noun
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A tube is a long object with a hole from one end to the other. The ends may be closed or open.
The high pressure forces the water through the tube.
Toothpaste comes in a tube.
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The Tube is the underground train system in London, England.
tube
Verb
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If you tube, you float on an inner tube.
We went white-water tubing on the Yukon River.