a. Relating to or resembling a digit, especially a finger.
b. Operated or done with the fingers: a digital switch.
c. Having digits.
2. Expressed in discrete numerical form, especially for use by a computer or other electronic device: digital information.
a. Relating to or being a device that can generate, record, process, receive, transmit, or display information that is represented in discrete numerical form.
b. Relating to or being a service that provides information expressed in discrete numerical form: We subscribe to digital cable.
4. Relating to or being a profession or activity that is performed using digital devices: a digital librarian; digital photography.
5. Using or giving a reading in digits: a digital clock.
6. Characterized by widespread use of computers: living in the digital age.
A key played with the finger, as on a piano.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.