Landsat

[ land-sat ]

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

Origin of Landsat

1
First recorded in 1975–80; land or land(-sensing) + sat(ellite)

Words Nearby Landsat

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use Landsat in a sentence

  • More than a million images of Earth have been acquired by the Landsat satellites.

    Deserts | A. S. Walker
  • Landsat acquires digital data that are converted into an image.

    Deserts | A. S. Walker
  • Rocks containing limonite, a hydrous iron oxide, may be identified readily from Landsat Multispectral Scanner data.

    Deserts | A. S. Walker
  • In 1972, the United States launched the first of a group of unmanned satellites collectively known as Landsat.

    Deserts | A. S. Walker
  • Landsat satellites carry sensors that record “light,” or portions of the electromagnetic spectrum, as it reflects off the Earth.

    Deserts | A. S. Walker

Scientific definitions for Landsat

Landsat

[ lăndsăt′ ]


  1. 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.