[dahy-uh
l-uhp, dahyl-] 
| of or pertaining to a terminal that links to a computer by dialing a telephone number. |
| di·al-up (dī'əl-ŭp', dīl'-) adj. Of or relating to a network connection, as to the Internet, which requires that a telephone number be dialed: My dial-up connection was interrupted by call waiting. |