shampoo [ʃæmˈpuː]

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¹ shampoo noun

• a special liquid that is used for cleaning your hair
• a special liquid used for cleaning rugs, carpets, etc.
• an act of cleaning hair, a carpet, etc., with shampoo—usually singular

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² shampoo verb

• to clean (something, such as hair, a carpet, etc.) with shampoo