What does LEIS stand for?

Lander Electrical Interface Simulator - NASA

LASER-Enhanced Ionization Spectroscopy (MEC)

Legislative Environmental Impact Statement (SAUO)

LEISURE: Australian Leisure Index (SAUO)

LeisureLine - Footscray Institute of Technology Library - Database - Information service or system (IID)

Leisuretime - NCIC truck make code

Low-Energy Ion Scattering - For study of surfaces