notebook

Etymology

From note + book.

noun

1. A book in which notes or memoranda are written.
   With an unquenchable enthusiasm for locomotives and their work, at an early age I had commenced to keep engine and traffic-recording notebooks, compiled in a schoolboy's round hand. 1946 March and April, R. A. H. Weight, “Euston to the North-West”, in Railway Magazine, page 69
2. (computing, sometimes attributive) A kind of user interface in literate programming, allowing calculations to be interspersed with human-readable comments, diagrams, etc.
   We have found the use of Jupyter notebooks to be a convenient way of sharing work and code in a compact and reproducible manner. Jupyter notebooks are easy to update and adapt over time compared to a static CD-ROM. 2016, David Ming, David Glasser, Diane Hildebrandt, Attainable Region Theory, page 317
3. (computing) Ellipsis of notebook computer. A laptop.
   Over time, the difference in size between laptops and notebooks became a matter of no more than an inch or two in length and width, and a fraction of an inch in thickness. 2006, Corey Sandler, Upgrading and Fixing Laptops For Dummies, page 8