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Definition of uplink

uplink

/ˈʌp.lɪŋk/
up · link
Plural:uplinks
•
Past Simple:uplinked
•
Past Participle:uplinked
•
Present Participle:uplinking
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uplink Lexical Profile

uplink Game Scores & Validity

• noun

1

A telecommunications transmission path or signal sent from a ground station up to an aircraft, spacecraft, or communications satellite.

Example

"The broadcast crew established a stable satellite uplink to transmit the live news feed from the remote valley."

2

A port or connection on a computer network switch or router designed to transmit data from a local subnetwork toward a larger, central network backbone.

Example

"The network administrator upgraded the fiber-optic uplink between the office floor switches and the main server room."

Antonyms
View all antonyms for uplink

• verb

1

To transmit data, signals, or programming from a ground station or local device to a satellite, spacecraft, or central network.

Example

"Mission control uplinked the updated navigation commands to themars orbiter before it passed behind the planet."

Synonyms
View all synonyms for uplink
Antonyms
View all antonyms for uplink

• Nearby Words

upliftingly
uplight
uplighting
uplink
upload
upmarket
upmost

Word Origin & Etymology

Coined in the late 1960s during the expansion of aerospace and satellite telecommunications, formed by combining the prefix 'up-' with 'link'.

Cite this Entry

Wordmom. (2026). Definition of Uplink. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/uplink
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