Englishfor English speakers
accumulation
Noun
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An accumulation of something, is a number or amount of it that has come together over time.
The failure to pump leads to an accumulation of blood in the heart.
There was an accumulation of dirt on the part of the floor people were walking on.
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Accumulation is the process of bringing things together.
The process of salt accumulation in the soil speeds up under poor watering conditions.
Private investment helped to boost capital accumulation.
of
Preposition
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Made using.
It is a house of cards.
toxic
Adjective
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If something is toxic, it is harmful to your health, and it is lethal to you if you swallow it.
The antifreeze is toxic if you drink it.
substance
Noun
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What a thing is made of; the essential or most important part of anything. Everything is made of substances.
has water, sugar, fat and other substances in it.