ground-truthing
n.— «They use the photos to plot GPS coordinates of questionable places and then hit the water for a closer look. The process is called “ground-truthing.” “The more groundtruthing we do, the better the map’s going to be,” Kolasa said. “A small patch like this could easily be missed by photo interpretations.”» —“Searching for seagrass” by Tony Marrero Hernando Today (Tampa, Florida) July 15, 2007. (source: Double-Tongued Dictionary)
Further reading
Enthusiastic book recommendations! Martha’s savoring the biography of Alexander von Humboldt, the 19th-century explorer, polymath, and naturalist who revolutionized our understanding of nature and predicted the effects of human activity on...
A retronym is a word coined to distinguish something new from an older, more generic version, such as electric guitar or clock radio. A couple of new retronyms are fine water, or “unprocessed water that reflects a region’s terroir” and water...