uplink

American

[uhp-lingk] / ˈʌpˌlɪŋk /

noun

a transmission path for transmitting data or other signals from an earth station to a communications satellite or an airborne platform.

adjective

of or relating to such transmission.

uplink British

/ ˈʌpˌlɪŋk /

noun

the transmitter on the ground that sends signals up to a communications satellite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of uplink

First recorded in 1965–70; up- + link ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The uplink strategy may offer a practical solution.

From Science Daily • Dec. 17, 2025

The interference that happens in space, what’s known as uplink jamming, blends a signal with the original broadcast, which distorts the information all users of that satellite receive.

From Washington Post • Apr. 18, 2023

Zelenskyy spoke Monday by video link to the G-7 summit, but immediate details were few during the closed-door uplink session.

From Seattle Times • Jun. 27, 2022

Ground-fired non-kinetic weapons can include uplink jammers, and lasers that can disrupt or blind satellite optics, along with cyberattacks.

From Washington Times • Jul. 14, 2021

His responses were cached and would be sent to Earth with Johanssen's next uplink.

From "The Martian" by Andy Weir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023