Landsat

[ land-sat ]
/ ˈlændˌsæt /

noun

a U.S. scientific satellite that studies and photographs the earth's surface by using remote-sensing techniques.

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Origin of Landsat

First recorded in 1975–80; land or land(-sensing) + sat(ellite)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for Landsat

Scientific definitions for Landsat

Landsat
[ lăndsăt′ ]

Any of various satellites used to gather data for images of the Earth's land surface and coastal regions. These satellites are equipped with sensors that respond to Earth-reflected sunlight and infrared radiation. The first Landsat satellite was launched in 1972. Currently, the seventh satellite (Landsat 7) is orbiting Earth.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.