up·​link ˈəp-ˌliŋk How to pronounce uplink (audio)
: a communications channel for transmissions to a spacecraft or satellite
also : the transmissions themselves
: a facility on earth for transmitting to a spacecraft or satellite
uplink verb

Examples of uplink in a Sentence

Recent Examples on the Web More promising has been NASA’s own tests last year of a 622 megabit per second laser uplink to the moon. IEEE Spectrum, 29 July 2014 The downlink/uplink units were collectively referred to as the Site Controller (SC). Cameron Kaiser, Ars Technica, 17 Mar. 2023 The lower-bandwidth uplink from each terminal's keyboard and screen went into the node's concentrator, which multiplexed their signals and sent them back collectively to the NIU over a single regular voice-grade telephone line, also at 1260 bps. Cameron Kaiser, Ars Technica, 17 Mar. 2023 By pooling their resources, Gaza journalists remain able to use a satellite uplink to broadcast live feeds in front of Al-Aqsa Hospital in Deir al-Balah. Taylor Luck, The Christian Science Monitor, 2 Jan. 2024 The signals that the North Vietnamese were sending at the missiles to direct them toward the B-52 called uplinks. Chris Klimek, Smithsonian Magazine, 2 Nov. 2023 The university had agreed to provide the firm with a dedicated on-site network with a secure uplink to a remote facility. Dell Cameron, WIRED, 4 Oct. 2023 But the complexity involved in synchronizing the uplink and downlink was too high. IEEE Spectrum, 25 Oct. 2019 There’s good news for uplink speeds, too: the X75 supports 5G uplink MIMO (multiple-input multiple-output) and can send two signals at the same time using FDD (Frequency Division Duplex — a spectrum technology that sends and receives data all at once rather than doing one thing at a time). Allison Johnson, The Verge, 15 Feb. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'uplink.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1968, in the meaning defined at sense 1

Time Traveler
The first known use of uplink was in 1968

Dictionary Entries Near uplink

Cite this Entry

“Uplink.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uplink. Accessed 21 Apr. 2024.

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