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

Ukrainian officials have said they were not warned before a speed limit was imposed on the uplink.

From BBC ● Oct. 15, 2026

The company has said the satellites offer roughly 10 times better downlink capacity and about 22 times better uplink capacity from its second-generation satellites.

From The Wall Street Journal ● Sep. 28, 2026

The uplink strategy may offer a practical solution.

From Science Daily ● Dec. 17, 2025

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

"It's not drift. They adjusted course. Instrumentation uplink shows a deliberate 27.812- degree rotation."

From "The Martian" by Andy Weir

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