Englishfor English speakers
bulk
Noun
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The bulk of something is the largest part of it.
The bulk of the shipment was headed for Toronto.
The great bulk of crime has always involved stealing of one kind or another.
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Someone or something's bulk is its size or amount, especially if it is large.
She took a deep breath, and, enormously grateful for the solid bulk of Leo at her back, she stepped inside.
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If you sell something in bulk, it is not individually packaged.
I usually buy nuts at the bulk food store.
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If you buy something in bulk, you buy large amounts.
The store offers discounts for buying in bulk.
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A bulk is an item that is moved about like cargo.
bulk
Verb
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If something bulks, it appears to be big in size.
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If you bulk something, you increase its' size; you expand it.
silicon
Noun
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Silicon is a non-metal chemical element with the atomic number 14 and the symbol "Si".
Sand is made of mostly silicon compounds.
Computers use chips made from silicon.