thumbnail Meaning in Cambridge American English Dictionary
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Meaning of "thumbnail" - American English Dictionary

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thumbnailnoun [C]

 us   /ˈθʌmˌneɪl/

thumbnail noun [C] (ON FINGER)

the nail on the thumb

thumbnail noun [C] (SMALL PICTURE)

a small copy of a larger picture on a computer, shown in this way to allow more to be seen on the screen: You can choose whether you would like to view your photos as thumbnails or in a slide show. thumbnail images

thumbnailadjective [not gradable]

 us   /ˈθʌmˌneɪl/

thumbnail adjective [not gradable] (SMALL)

shorter or smaller than the usual length or size: a thumbnail profile of the author He gave a thumbnail sketch (= a short description) of life in Moscow in the 1960s.
Translations of “thumbnail”
in Chinese (Traditional) 手指, 拇指甲…
in Chinese (Simplified) 手指, 拇指甲…
(Definition of thumbnail from the Cambridge Academic Content Dictionary © Cambridge University Press)
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