American Dictionary

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Definition supplement in American English

supplement noun

[countable] noun
/ˈsʌpləmənt/
1

something extra that you add to make something better

Example

exercises that will provide a valuable supplement to your teaching materials

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1.1

a pill or special food that you take or eat when your food does not contain everything that you need

Example

Dietary supplements may not help with this condition.

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2

a separate part of a newspaper or magazine

Example

the Sunday supplement

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2.1

an extra section in a book, or an additional book that gives more information

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3

an extra payment that you have to make for special services, especially in a hotel

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Definition supplement in American English