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.

See Examples For:

uplink

The uplink strategy may offer a practical solution.

From Science Daily ● Dec. 17, 2025

Earlier on Thursday, Axiom Space had a live uplink with the astronauts on board where Group Captain Shukla spoke about his first 24 hours in space.

From BBC ● Jun. 26, 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

High-powered jammers on the ground or placed on balloons can disrupt both uplink and downlink signals from drones.

From Washington Times ● Feb. 6, 2023

I paid extra for a first-class seat, which came with a comfier chair and a high-bandwidth uplink jack.

From "Ready Player One: A Novel" by Ernest Cline

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