Also known as: sl.
SL has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of SL in NASA.
Any device used to prevent the passage of a fluid, liquid or fine particles ,To encrypt a record containing several fields in such a way that the fields cannot be modified without either knowledge of the encryption key or leaving evidence of tampering. Software Evolution and Architecture Lab, Social and Emotional Aspects of Learning.
NASASound level is a quantity measuring logarithm of sound intensity in decibels.
NASALast updated: