thumbnail

thumb +‎ nail. The phrase thumbnail sketch was first attested 1852. Verb sense attested 1930s.

• IPA^(key): /ˈθʌmneɪl/

thumbnail (plural thumbnails)

1. The fingernail on the thumb.
2. A rough sketch (e.g., the size of one's thumbnail).
3. (chiefly computing) A small picture, used as a compact representation of a larger image.

• Japanese: サムネイル (samuneiru)
• Portuguese: thumbnail

• (3): icon, thumbshot

thumbnail (third-person singular simple present thumbnails, present participle thumbnailing, simple past and past participle thumbnailed)

1. (transitive) To describe concisely.

• Maven's Word of the Day, December 11, 1997
• “thumb” in Douglas Harper, Online Etymology Dictionary, 2001–2019.

thumbnail m (plural thumbnails)

1. (computing) thumbnail (a miniature preview of a larger image)

• miniatura