tanning
US /ˈtæn.ɪŋ/
UK /ˈtæn.ɪŋ/

1.
the process of treating animal hides to produce leather
:
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The factory specializes in the tanning of exotic animal skins.
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Traditional tanning methods often involve natural plant extracts.
2.
the process of getting a suntan, especially by exposure to the sun or using a sunlamp
:
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She enjoys summer days spent tanning by the pool.
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Excessive tanning can be harmful to your skin.
1.
to make (skin or leather) brown or tan by exposure to the sun or a sunlamp
:
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She spent hours tanning on the beach.
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The leather was carefully tanned to ensure durability.