Webster's Revised Unabridged Dictionary · 1913

digitize

digitize (dij"i*tīz) , transitive verb

[Digit + -ize.]

1.
To finger; as, to digitize a pen. [Rare] — Sir T. Browne

Digitization allows convenient storage, accurate reproduction, modification and other manipulations by digital computers.

2.
(Computers) To convert (information, a signal, an image) into a form expressible in numbers or in binary notation. The original signal before digitization is usually in analog form.