Englishfor English speakers
solid
Adjective
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If something is solid, it is hard and keeps its shape.
When he went out in the morning, the water had frozen solid.
After it has cooled, the solid gold is moved to a safer place.
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If something is solid mathx/math, its only material is mathx/math.
Copper mixed with silver made a much cheaper spoon than solid silver.
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If something is solid, it has not spaces inside or between.
The traffic was a solid line of cars as far as you could see.
The wall looked solid, but when he knocked it made a hollow sound.
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If something is solid, it is good and will not break or change easily.
Don't worry about the chair. It's solid as a rock.
The police had enough solid evidence to put him in jail.
solid
Noun
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A solid is a material which keeps its shape. It is not a liquid (like water) or a gas (like air).
formation
Noun
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Something having structure or form.
The chorus boys and girls were put through a variety of formations in the new Andrew Lloyd Webber musical.
The band members created many interesting formations during half-time.
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The act of building a group or structure.
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A rock or face of a mountain.
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A grouping of military units or smaller formations under a command, such as a brigade, division, wing, etc.
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An arrangement of moving troops, ships, or aircraft, such as a wedge, line abreast, or echelon. Often "in formation".
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The process of influencing or guiding a person to a deeper understanding of a particular vocation.
roof
Noun
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A roof is the top part of a building.
My five brothers, two sisters and seven cousins all live together under one roof.
roof
Verb
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If you roof something, then you are putting a roof onto a building.
My father had to roof our house because it needed a roof.