The phrase "lunar soil" refers to the dusty material found on the surface of the moon. It consists of tiny pieces of rocks, dirt, and other particles that have accumulated over time on the moon's surface. Full definition
However, lunar soil contains these elements — and lots of water! (creationscience.com)
Another team of researchers led by Leticia Fimiani of the Technical University of Munich also found 60Fe in lunar soil samples collected by Apollo astronauts. (discovermagazine.com)
Brown scientists found super-tiny melt inclusions in lunar soil samples that opened the door for measurements that revealed the magnitude of water inside the moon. (news.brown.edu)