WordReference Random House Unabridged Dictionary of American English © 2026
sub•note•book
(sub′nōt′bŏŏk),USA pronunciation n.
sub•note•book (sub′nōt′bŏŏk),USA pronunciation n.
- Computinga laptop computer smaller and lighter than a notebook, typically weighing less than 5 pounds (2.3 kg).
- 1990–95, American.
sub•note•book (sub′nōt′bŏŏk),USA pronunciation n.
- Computinga laptop computer smaller and lighter than a notebook, typically weighing less than 5 pounds (2.3 kg).
- 1990–95, American.