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English definition of “size”

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size

noun uk   /saɪz/ us  

size noun (AMOUNT)

A2 [C or U] how large or small something or someone is: We are concerned about the size of our debt. Some kinds of trees grow to a huge size. What is the size of that window? The field was about ten acres in size. He had a lump on his head the size of (= the same size as) an egg. The baby is a good size (= quite large). I was amazed at the size of their garden (= it was very big).
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size noun (MEASURE)

A2 [C] one of the standard measures according to which goods are made or sold: a size 14 dress Do these shoes come (= are they made) in children's sizes? What size are you?/What is your size?/What size do you take? Would you like to try the coat (on) for size (= see how well it fits you), sir? We'll need to get the carpet cut to size (= cut so that it fits).
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size noun (GLUE)

[U] specialized fabrics a substance like glue that gives stiffness and a hard, shiny surface to cloth, paper, etc.

size

verb [T] uk   /saɪz/ us  
to cover or treat cloth, paper, etc. with size
Phrasal verbs
(Definition of size from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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