Ultrabook

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A very lightweight and thin portable computer the areal size of a notebook computer or subnotebook.

Etymology

From ultra- + book; see notebook computer.

Related phrases

notebook computer portable computer tablet computer ultraportable computer

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.