Englishfor English speakers
interaction
Noun
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An interaction is when two or more things affect each other or work together.
Poor health can harm older people's participation in everyday life and social interaction.
It is necessary to understand the interactions between the plant and its surroundings.
She should have a lot of interaction with other students, or with the teacher.
mixture
Noun
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A mixture is two or more things that have been mixed together; it is a mix.
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A mixture is something that is made up of many different elements.