dial up
verb- To telephone, to call on the telephone. · The written instructions weren't clear, so I dialed her up and asked her to explain what she meant.
- To connect a computer to a modem. · In those days it took three minutes just to dial up, and every minute you were connected was costing you a higher phone bill.
- To increase the level (of something) by turning a dial, or (figuratively) as if by turning a dial. · Near-synonym: ratchet up· These comments are guaranteed to dial up the animosity.
Learn dial up in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.